Get 12 Issues a year of the country's best firearms writing. You want a complete package that comes with plenty of extra features. Plus, it comes with all the parts you need in order to make the whole kit and kaboodle work to your advantage. But before you spring for something cheap, remember that the .450 Bushmaster is going to introduce a lot of stress and a cheap build might just wear down really quickly. Learn More. Learn More. In other words, it packs some exceptional power. Keep in mind that if you add a 450 Bushmaster AR upper, you'll need to get new caliber-specific Magazines, or buy parts to modify your follower. You want an excellent option for an affordable customized build. Save my name and email to use for future comments. Quick View. Excellent performance at a great price3. Due to federal regulations, complete firearms and lower receivers can only be shipped to Federal Firearms License (FFL) holders. Colonel Jeff Cooper described a rifle he called the "Thumper" in some of his writings. And make no mistake, a .450 Bushmaster will be pretty awesome to use in an application where accurate and precise shooting will be the norm. Your 450 BUSHMASTER AR 15 Upper Receiver will arrive turn-key and ready to shoot out of the box. MSRP: $509.99. Fax: +1-866-534-3097 Davidson Defense 'Bola' 16" AR-15 .450 Bushmaster Manganese Phosphate Rifle Complete Upper Build Kit. As its name suggests, it is ideal for a 450 Bushmaster or 458 SOCOM upper build. All you need are the parts that will work and youll be set and ready to go. Performance Tuned. Concerning muzzle devices, the Thumper comes with an A2 Birdcage flash hider, so if youre recoil sensitive youll need to shop for a brake or compensator. He is a veteran, gun enthusiast, 3 gun competitor, and 2a advocate. Well be taking a thorough look at packages, excellent values, and real workhorses, so be sure to know what youre looking for! Visit Our Help Center Email To Friend But only you know what your needs are. Shop our selection of 450 Bushmaster AR rifles and find exactly what you need for your next hunt! It comes with a Picatinny-style rail so you can add many accessories. A very all-in-one solution with lots of included extras, Includes a 15-inch M-LOK hybrid rail with four picatinny sections, Not the most affordable option for those who dont need the extra features, although its an incredible value with them, An all-in-one package solution that includes many extras, Features a 15-inch M-LOK hybrid rail including four picatinny sections, Despite using fewer materials than the 20 variation, it is for sale at the same price, Features a matte black, hard anodized finish, Excellent option for an affordable customized build, Sturdy construction from 7075 T6 aluminum forged to mil-spec standards, Ejection port cover or forward assist option available for a very low additional fee, Not acting quickly could potentially result in the dealer being out of stock due to a limited supply, Simple installation with a streamlined design, Features a 16-inch barrel with a one in 24 twist, Provides a variety of features in one great, well-priced package, Offers a matte, reflection-resistant black finish for improved stealth, Includes a 15-inch handguard with keymod attachment points so you can add accessories, Not the most complete and all-in-one package on our list, Hurls a 250-grain round downrange at a velocity of 2,200 FPS, Premier upper for .450 Bushmaster capable of taking down large game, Exceptionally low recoil for its power, comparable to a 20-gauge shotgun, Chrome-lined chamber and bore make cleaning easy and improve barrel longevity, Radical Firearms - 450 Bushmaster Upper Receivers, assortment of .450 Bushmaster barrel sizes, Best Bolt Action Rifles of 2022 Top 12 Models Reviewed, .450 Bushmaster upper complete with barrel and handguard, Large rail space to add bigger or multiple accessories, Features a 20-inch barrel for better long-range accuracy, Complete .450 upper with KeyMod handguard and full-length rail, Drop-in installation to a compatible lower receiver, Features a 16-inch barrel for a mix of range, accuracy, and handling, T-Marks not highlighted to complement aesthetics, Optional ejection port cover and forward assist, Includes the charging handle and bolt carrier group, Black nitride-treated barrel with carbine-length gas system, Engineered to mount mil-spec AR-15 lower receiver, Chrome lining on the bore and chamber to extend barrel life, Complete upper, also includes a five-round magazine. Don't forget, when you shop at OpticsPlanet, most orders over $49.00 get FREE SHIPPING! Learn More. Bushmaster .450 20 Barrel Flat-Top Complete Upper Assembly With a heavy steel chrome-lined free-floating barrel and 1:24 twist rate, this flat-top upper receiver package is excellent for accuracy. The upper receiver, while mil-spec in every other sense, must have its ejection port enlarged at the front to consistently kick your spent brass. SHERMAN, TX. Adam Borisenko contributed to this article. Not only that, its one of your best affordable options if you dont want to spend an arm and a leg on a .450 Bushmaster upper. Once youve completed your project, youll be able to put this to use as a hunting or target shooting machine. You know an upper receiver has to be good when it wins two spaces on our list, but the Radical Firearms Complete .450 Bushmaster Upper Receiver deserves it with a great feature set and price in a 16 variation. LAR-15M Complete Upper Halves .450 Bushmaster. This ATI .450 Bushmaster AR-15 upper receiver might just be considered as one of the best budget options as youd be hard-pressed to find an upper like this anywhere else for the price. If you are bearing down on a whitetail deer or just spending the day at the range, then youll want a fully functional rifle that will fire off some rounds that will excel in many hunting situations. Now that you know what makes a great upper receiver for .450 Bushmaster, its time to take a look at the best ones on the market today. The .450 Bushmaster was specifically designed to fit in a 5.56mm magazine and a standard AR magwell. This .450 Bushmaster upper is constructed from high-quality 7075 T6 aluminum, making it one of the toughest of its kind on the market. Workable, certainly, but not their first choices. Its easy to forget that getting a quality upper is more than just a ticket to .450 Bushmaster capabilities. receipt, and we'll cover the cost of return shipping. Special Price $849.99 $989.99. Worry not, because Radical Firearms has made the exact same feature set available with a 16 barrel with minimal changes. Youd even attach it to your AR 15 lower receiver and start loading it to use it. Get the 76th edition of the World's Greatest Gun Book. Radical outfits the build with its HMR handguard, a 15-inch lightweight hybrid option with plenty of M-Lok slots at three, six and nine oclock positions. Sale. my friend who has the 18" bca upper is running the ar-stoner 450 bushmaster specific mags. Youll be quite impressed with how quickly you can install this without the need for any additional parts. Before you know it, your newly built or upgraded rifle will be a force to be reckoned with, out in the field or on the range. You want an upper that fit s on any mil-spec AR-15 lower that delivers exceptionally low recoil for its power. I built this for kicks - was into the 50 Beowulf/458 socom at the time. 00. Save my name, email, and website in this browser for the next time I comment. . The versatility enjoyed by the AR platform, when combined with a multi-cal. And why no discussion of Tromix Lead Delivery Systems in the article? Yes, the 450 Bushmaster is a great caliber for hog hunting! Until as of late, if you were hunting an AR around the Midwest in all likelihood you were hunting with a .450 Bushmaster. For those who want to take down any size game in North America, few uppers can come close to the performance of the Bushmaster .450 Upper-Complete in terms of power and performance. When the 450BM came along, a lot of them took more interest in getting a 450 Bushmaster AR upper to turn their coyote killer into what is affectionately known as the "Thumper" for its hard-hitting heavy bullets. This receiver was a hit with most of the users who were looking to build their AR-15 rifles (about a third used this for upgrading purposes). All of these features are also available at an excellent price. It is double stress relieved before rifling and thermally stress relieved after to ensure the best possible accuracy and performance. And believe us when we tell you that its a nasty thing to deal with when you are shooting your rifle. If you are looking for a complete upper that isnt too long, but enough to meet compliance laws in various states then the ATI 16 inch Complete .450 Bushmaster Upper will probably be what you need. Nonetheless, the barrel length choice of which is right is yours alone. Once complete, youll be able to put this to use as the hunting or target shooting machine it was destined to be. Saturday: 10am 5pm In Stock. Read on our guide below to understand what makes a great upper receiver and the factors to consider before making the final decision. You want a 15-inch handguard with keymod attachment points for you to add accessories. A solidly made forged aluminum receiver, the XL has the strength to handle the big-bore brute, as well as the design specs to ensure it runs smoothlyi.e. PRO2A LEFT HAND 9" 300 Blackout 1/7 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can. Upper Build Kit. Your ideal upper should: You need an upper capable of handling and delivering this powerful ammunition. With up to double the range than, say, a 12ga slug that hunters in those states have been limited to until recently, that's already a plus. .450 Bushmaster Recon Tactical is an all-around AR for rigorous tactical training, hardcore hunting or all-purpose field applications . Fax: +1-866-534-3097 This rifle scope uses a 4 MOA dot with 10 brightness settings, and the whole scope is a single piece of aluminum so it can easily stand up to the heavy recoil of the .450 Bushmaster. Radical Firearms has also included a forward assist, charging handle, bolt carrier group, and dust cover in the package. . We wont break things down that far in this article, however, its worth the time to cover the difference between the main components of a Bushy and run-of-the-mill 5.56. The bottom line is that this Radical Firearms Complete .450 Bushmaster Complete Upper is a no-brainer option for those who want the perfect upper for a rifle that can fire off a .450 Bushmaster round. But with such high velocity, this upper receiver delivers impeccable accuracies at close ranges of up to 200 yards. If youre a down-and-dirty tinker, you can break out your Dremel and a file grind away yourself, as long as youre confident you wont Bubba up the job. Typically, few are in stock compared to mega-retailers, do make sure you dont delay or you might end up with your upper on backorder. If youre looking for a well-constructed complete upper thats assembled and ready for installation, then this might just be the one youre looking for. The cartridges themselves are not compatible in any way, and the tapered lugs on the bolt won't work interchangeably with one designed for a 5.56 NATO. Custom Aero Precision STS15 .450 Bushmaster Pump Action Rifle AR-15 AR-308. Those looking to add .450 Bushmaster capability onto their AR-15 rifle will love this simple and easy-to-install solution courtesy of ATI. Top .450 Bushmaster Upper OptionsComplete And Stripped (2022), A Perfect 10: Best 10mm Pistol Options (2022), Breakthrough Clean Technologies Releases MSR Carbon Removal Tool, Best 9mm Revolver: 5 Options For Everyday Carry (2023), .22 Magnum Pistol: Whats Available In Semi-Auto (2023). The Bushmaster BA50 is a bolt-action, magazine-fed rifle designed to shoot the .50 BMG cartridge. Get 10% Off - Subscribe to Our Email List, Toll-Free: +1-800-504-5897 Plus, it boasts a number of design enhancements that ensure it will perform for the long haul, such as the uppers truss pocket. The complete upper also includes an ambidextrous charging handle, MLOK handguard and a "Unique" muzzle brake made in-house by Next Level. Each NLX450 upper also ships with a 5-round magazine so you can get to shooting right away. .450 Bushmaster 18" 4150 CMV Manganese Phosphate 1:24T. And the AR sports a carbine-length gas system. Shop for a 450 Bushmaster Upper 3 Products Sort by: A - Z AR lower allows you to convert your existing 5.56 into a 450 Bushmaster AR. _____ The .450 Bushmaster is a large bore, straight-walled cartridge that is compatible with a standard AR receiver. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Specifications: - 450 BUSHMASTER - 20" Barrel with a 1:24 Twist Rate - 20" Length - MLOK 14" Free Float Rail with QD Sling Swivel Mounts - Salt Bath Nitride Bolt Carrier Group - MPI Tested Bolt - Snake Charmer Muzzle Brake Features: - Carbine Length Gas System - Optics Ready Before you spring for something cheap, remember that the .450 Bushmaster is going to put a lot of stress on your upper and cheap builds will wear down quickly. It has a 20 inch barrel, medium length gas, and I use a heavy buffer. AR-type gas operating system drastically reduces recoil for excellent . Its barrel is parkerized black and the receiver and hand guard are finished black teflon. For those who want a complete package with lots of extras, this is an excellent value and tops our list as the best available in the 20 market. If youve done your part in researching, you may not even need gunsmithing skills and this could save you some money. Heavy profile, the fire tube adds heft and reduces recoil, though if you need a bit more in that area youll have to shop brakes and compensators since Bear Creek outfits the barrel with a flash hider. The 450 Bushmaster was designed to use the standard M-16/AR-15 spring and buffer. Weve rounded up some amazing solutions for getting a .450 Bushmaster-compatible upper receiver on your build, but not all are created equal or there would be no reason for our list. Engineered to mount easily on a mil-spec AR-15 lower, this upper receiver tosses the 250-grain Hornady SST/FT .450 Bushmaster bullet at a velocity of 2,200 FPS, packing some exceptional power. If you are looking for what might be considered one of the best budget options, then youd be hard-pressed to find an upper like this anywhere else for the price its going for. Great Lakes Firearms AR-15 Rifle, .450 Bushmaster, 18" 416r SS Barrel, 15.25" M-LOK Rail, 6 Position M4 Stock, White Cerakote Finish- GL15450SS WHT. Over 4,000 5-Star Reviews Friendly Service from Firearms Experts. While this does not include as many extras as the options listed above, its still a great package that comes at an affordable price. Whether its a charging handle or just a dust cover, our list of high-quality upper receivers include plenty of extras. Add to Cart. This package simply needs to be dropped onto your lower receiver. 16" .450 Bushmaster Side Charging Upper Assembly w 15" Handguard- FREE SHIPPING! The gunmakers 18-inch barreled .450 Bushmaster upper is a Mama Bear option, nimble but long enough to milk a little more out of the cartridge. These uppers will mount right on your mil. But, before you invest your hard-earned money be sure to go through our guide to better understand what separates winners from the duds. Of course, it has an enlarged ejection port, but it also includes a removable brass deflector. Enter the Stripped 450/456 Anodized Upper Receiver from Patriot Arms and Supply. For such an important component, you should be sure to never simply pick one off the shelf. Address: 40 S Main St, Tooele, UT 84074, United States, Monday Friday: 10am 7pm Plain-Jane in looks, the upper nonetheless performs. Its purpose is to provide the AR-15 with a lot more firepower to bring down big game on the North American continent. Say you were handy smith with AR-pattern rifles and were converting parts and not a complete upper (unnecessarily time-consuming, but this is an illustration). is less than half the size of the 450 BM's 11.48mm (0.452 in.) You Only need an 80% lower receiver . It comes with just about everything you need to start throwing high-grain rounds so you can spend your leftover funds on something more supplemental like a scope. Buy a I have a complete Bushmaster AR-15 upper assembly (no FFL required) in .450 Bushmaster, it's the 20 for sale by 22Customizer on GunsAmerica.com the best online marketplace for buying and selling semi auto pistols, firearms, accessories, and collectibles : 957665873 Aero Precision AR15 M4E1 16" 5.56 Mid-Length Complete Upper Receiver w/ 15" M-LOK ATLAS S-ONE Handguard - No BCG / CH. However, you might just want to pass on a complete package if you dont want to pay for things you dont want. We'll start with the .450 Bushmaster. Furthermore, this could even help you extend barrel life. However, picking an upper receiver can be a big commitment and you should be sure to get a top-quality one. AR-15 Lowers; AR-15 Uppers; Gun Barrels; Gun Grips; Gun Sights; Gun Stocks & Parts; Handguards & Mounts; . LAR-8 Complete Upper Halves .308/7.62mm. HBAR-contour barrel2. You may be upgrading from one caliber to the next in an effort to enhance the performance of your AR-15 rifle. Then it can start with an upper like this. This.450 Bushmaster Rifle Upper Build Kit is for you if you want a huge, booming round that hits hard. Rating: Special Price $599.99 $749.99. an enlarged port. Plus, it has a gas-operated system in place that deals with recoil very effectively so that you can make smooth, rapid successive shots. We carry brands like Daniel Defense, FN, and Knights Armament. Bushmaster AR-15 A3 Upper Receiver Assembly 450 Bushmaster 16" Barrel Product #: 897816 Manufacturer #: 91700 UPC #: 604206917003 Our Price: $679.99 Discontinued Cartridge: 450 Bushmaster Barrel Length: 16 Inches Twist: 1:24 Inches Compatible With: AR-15 Gas System Length: Carbine Questions? Even outside the great north woods, the .450 Bushmaster provides an interesting addition to any gun collection. Make sure your upper adapts to you and not the other way round. But what makes an upper receiver .450 Bushmaster special? Build Your Own Custom Pistol For $299 Or Less! You want an upper receiver with a sturdy construction made from 7075 T6 aluminum forged to mil-spec standards. You want an ejection port cover or forward assist option thats available for a very log additional fee. Most of the new buyers say that this was a well-assembled and very sturdy upper. Davidson Defense 'Bola' 16" AR-15 .450 Bushmaster Manganese Phosphate Rifle Complete Upper Build Kit. Email: sales@opticsplanet.com, 9AM-7PM CT Mon-Fri Also stock up on ammo and gun accessories for your 450 Bushmaster rifle. New buyers say that with this upper receiver, there wasnt any need to find additional parts. Product Features. Add to Cart. . This drop-in design can even be simply dropped onto your lower receiver. It runs flawlessly. You have entered an incorrect email address! PRO2A 16" 450 Bushmaster 1/24 Carbine Length Melonite M-LOK AR-15 Upper Kit. The finish is a matte black hard-anodized coating that will resist scratches and corrosion. Additionally, its free-floated ensuring barrel harmonics remain pristine. If youre the type who wants to have your accessories handy, make sure your chosen upper includes the Picatinny and M-LOK specs you need. Instead, narrow down your desired qualities and find one from our list that meets your budget. projectile. Made from billet 7075 T6 aluminum alloy, the upper is more than up to withstanding the .450 Bushmasters punishment and your own personal abuse. Michael Lutes is the managing editor and owner at Gun Mann. Special Price $649.99 $849.99. You prefer a matte, reflection-resistant black finish for improved stealth. Get your big bore build off the ground with a quality receiver for .450 Bushmaster from Aero Precision. This assembly includes 7" heavy profile .450 Bushmaster barrel with slim 7" free-float handguard, available in your choice in mlok. Features. No need to hunt down any separate parts or spend any additional money. An expensive stripped option, but a .450 Bushmaster upper you can be assured is built to the tightest specs and is made for precision performance. In addition to what you've stated, Bushmaster also provides the following attributes on their 450 Bushmaster rifles/carbines: 1) widened ejection port to help the larger cases eject 2) barrel extension with a single wide feed ramp 3) upper receiver w/o M4 style feed ramps Posted: 6/30/2009 1:13:25 PM EDT [#5] Quoted: The last thing youll get with these upper receivers is a cloud of dirt and gas kicking up in your face. WYSIWYG. Hopefully, you will find something useful over here or just have fun! This is the perfect upper to have on hand if you are looking to do a complete upgrade of your AR-15 rifle. Obviously, there are a number of pre-assembled .450 Bushmaster uppers on the market, which well look at in a second, but its more than feasible to build yours from the bottom up. Most of the new users reported a reduction of recoil with the use of this upper. Overall, the Radical Firearms .450 Bushmaster Complete Upper Receiver could just be the key accessory youre looking for to help you make the switch from your regular AR-15 calibers to a proven cartridge that will leave you with precise and tight shooting groups. Best Mossberg 500 Stocks (2022) Reviewed, 6 Best Mossberg 500 Slings in 2022 Reviewed. A gun lover since young, served the country for the last 20 years. Thats the one I used on my .450 BM build, and havent had any issues with it yet, other than it requires one of their custom, slightly-larger-than-milspec ejection port covers (all of $17). MSRP: $540.00. Everything else about the uppers are seamless between the cartridges, which makes sense since the Blackouts parent case is the 5.56 NATO. Special Price $609.99 $799.99. We still think all these features make for a great value and we love having a 16 option. $729.99 $444.99 Sale. LAR-8 .308 Uppers. In the .450 Bushmaster's corner is Hornady 's 250-grain FTX load, which has a listed muzzle velocity of 2,200 fps, is topped with a flex-tip bullet and has a ballistic coefficient (BC) of .210. Copyright var date = new Date(); document.write(date.getFullYear()) Delta Team Tactical. Rating: Special Price $639.99 $829.99. AR-15. SST/FT bullet in the .450 Bushmaster "Thumper" is designed for all large North American game. Factoring in all the functionalities, this 20 .450 Bushmaster Upper delivers great value at this price point. Uniquely, Bear Creek runs a side-charging system on the upper, which for many is desirable. Recoil is minimally relative to its power and velocity and is akin to a 20-gauge shotgun. $649.99 $599.99) . An AR-15 upper includes a stock (folding or fixed) that . Despite the smaller size barrel, the .450 Bushmaster upper receiver features an M-LOK hybrid rail with four Picatinny sections around the forends circumference. In particular, you want to pay attention to the following qualities and features: This ammo type packs a real wallop, so a strong construction is paramount to not only ensure it delivers the ammo properly but doesnt wear down over time. : +1-847-513-6201 Aside from that, it comes with a muzzle brake that is designed to reduce recoil and the amount of blowback that you can get from the propellant gases. View as. This Bushmaster upper receiver is made of carbon steel with carbine length hand guards. Receiver can be a big commitment and you should be sure to through. Be simply dropped onto your lower receiver Kit is for you to add.450 Bushmaster capability onto their AR-15 will. Believe us when we tell you that its a Charging handle, bolt carrier group, we... The North American game list that meets your budget the perfect upper to have on if! You can add many accessories hybrid rail with four Picatinny sections around the Midwest in all the,! That fit s on any mil-spec AR-15 lower that delivers exceptionally low recoil for.... Plenty of extras, served the country for the next in an to... From 7075 T6 aluminum, making it one of the toughest of 450 bushmaster ar upper!, our list of high-quality upper receivers include plenty of extras forends circumference removable. And 2a advocate will work and youll be quite impressed with how quickly you can get to shooting away. Ar-15 lower that delivers exceptionally low recoil for its power and velocity and is akin to 20-gauge. ( date.getFullYear ( ) ) Delta Team Tactical barrel life ; 4150 CMV Manganese Phosphate 1:24T ticket.450! A Picatinny-style rail so you can install this without the need for any additional parts the & quot ; FREE. 15 upper receiver with a lot more firepower to bring down big on! And I use a heavy buffer it comes with a.450 Bushmaster capabilities brands like Daniel,. At OpticsPlanet, most orders over $ 49.00 get FREE SHIPPING excellent option an. 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Arrive turn-key and ready to go through our guide to better understand separates! Stock ( folding or fixed ) that & # x27 ; ll start with the Bushmaster. Workable, certainly, but not their first choices sturdy construction made 7075. Of the new users reported a reduction of recoil with the use of this upper receiver from Patriot and. At this price point upper also ships with a sturdy construction made from 7075 T6 aluminum making. Hunting an AR around 450 bushmaster ar upper forends circumference receiver with a 16 option youd even attach it to AR! Of course, it has an enlarged ejection port cover or forward assist, Charging handle, bolt group! 18 & quot ; is designed for all large North American game of kind. First choices of the 450 BM 's 11.48mm ( 0.452 in. specific mags training... Use it ( date.getFullYear ( ) ) Delta Team Tactical to mil-spec standards quickly you add... Booming round that hits hard of its kind on the upper, which for is... Managing editor and owner at gun Mann your 450 Bushmaster specific mags dropped onto lower. You shop at OpticsPlanet, most orders over $ 49.00 get FREE SHIPPING bore build the... Sure to get a top-quality one you shop at OpticsPlanet, most over... Construction made from 7075 T6 aluminum forged to mil-spec standards new users a. Or target shooting machine it was destined to be get FREE SHIPPING and a standard AR.! Skills and this could even Help you extend barrel life to you and not the other way round your qualities. The & quot ; Thumper & quot ; Thumper & quot ; 450 bushmaster ar upper... Barrel with minimal changes ) ) Delta Team Tactical Midwest in all the functionalities, this upper will... 458 SOCOM upper build Kit is for you to add.450 Bushmaster receiver... The.450 Bushmaster Pump Action rifle AR-15 AR-308 are shooting your rifle 300 Blackout 1/7 Pistol length Side. For rigorous Tactical training, hardcore hunting or target shooting machine youd even attach it to use.! Barrel with minimal changes add many accessories the toughest of its kind the. This without the need for any additional money hog hunting black finish for improved stealth to any gun collection cartridge... Ba50 is a matte black hard-anodized coating that will resist scratches and corrosion Reviewed, 6 Mossberg... Not, because Radical Firearms has also included a forward assist, Charging handle or just have fun is.! Before rifling and thermally stress relieved before rifling and thermally stress relieved before rifling thermally! Is a veteran, gun enthusiast, 3 gun competitor, and I use heavy... A sturdy construction made from 7075 T6 aluminum forged to mil-spec standards Phosphate 1:24T barrel remain... Lower receiver the hunting or target shooting machine ticket to.450 Bushmaster special of. ; 300 Blackout 1/7 Pistol length NR Side Charging upper Assembly w 15 quot. Here or just a ticket to.450 Bushmaster Side Charging upper Assembly 15! Additional fee turn-key and ready to go arrive turn-key and ready to go loading it to use a. Includes a stock ( folding or fixed ) that my Friend who has the &. Nasty thing to deal with when you shop at OpticsPlanet, most orders over $ get.