The upper is shipped with a metal magazine tailor-made for the .450 Bushmaster. This upper is a great option for other large bore calibers like the .450 Bushmaster and .50 Beowulf. Aero Precision M5 .308 Stripped Upper Receiver OD Green Our Price: $299.99 . SATERN® Forged Big Bore Stripped Upper and Dust Cover. Windham runs a bit shorter 13-inch aluminum handguard, with M-Lok slots at the three, six and nine o’clock positions. It’s no different with the company’s .450 Bushmaster upper, the AR15 XL. Available with either a 16- or 20-inch barrel, the upper gives you the ability to tailor your build to your style of shooting. AR-15 MILSPEC (KEYMOD) AR-15 … Forged from 7075- T6 aluminum, this stripped upper is precision machined to accept standard .308 components. Please login or create an account. Black Rain doesn’t skimp on components, outfitting the upper with a forged charging handle with oversized TAC-LATCH, a BRO Spec15 carrier group with .450 bolt and an engraved “.450 Bushmaster” dust cover. The Aero Precision .308 Stripped Upper Receiver is the perfect upper for your big bore rifle build. Additionally, it’s free-floated ensuring barrel harmonics remain pristine. A trademark of the company are options, which comes through on its .450 Bushmaster uppers. .450 Bushmaster Ammo: Is There A Cheap Way To Keep One Fed? With a picatinny top rail, securely mount your favorite optics, so you can set up your new big bore rifle for hunting even just target shooting. JavaScript seems to be disabled in your browser. Lead Star LSA-15 Stripped Upper Receiver, Black - LSA-C0FF47C2 . To this is mated a 16-inch heavy chromoly barrel, adding some recoil-eating heft and is topped with the company’s BRO .450 muzzle brake. In that case, Bear Creek Arsenal offers a unique upper that gets you started in the caliber without charging an arm and leg. $46.31. $94.50. I would like to convey some information for the do it yourself big bore home builders. $378.42. 223 Wylde ; 300 Blackout; 7.62x39; 6.5 Grendel; 458 SOCOM; AR-10. Quick view. 458 SOCOM. This .458 Upper Receiver is machined to fit onto our standard multi cal lower receivers and features an expanded ejection port opening. If you’re a down-and-dirty tinker, you can break out your Dremel and a file grind away yourself, as long as you’re confident you won’t “Bubba” up the job. https://www.primaryarms.com/anderson-mfg-458-socom-stripped-upper-receiver 50 Beowulf Upper $ 99.00 $ 99.00 Add to cart Quick View. $205.99 $109.99 Sale. Factory ammo isn’t cheap. *Engraving Only* $264.59. He is a gun owner and avid reloader from Colorado. MOA Customs Big Bore Upper Receiver quantity. Plus, it boasts a number of design enhancements that ensure it will perform for the long haul, such as the upper’s truss pocket. Newsletter Sign Up. However, the upper does ship with a 5-round magazine, tuned to smoothly feed .450 ammo. Start your Big Bore Build off right with with of our specialty YHM Billet Uppers. Anderson's .458 SOCOM Stripped Upper Receiver is machined from a 7075 T6 Aluminum forging. Assembled AR 15 Upper Receiver (LIMIT 5) $ 99.99 $ 89.99 $ 99.99 $ 89.99 Read more Quick View. 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. UPC: MPN: APAR308505BC; Aero Precision Compare prices for this product 1100 . This is the way it goes with any big-dog AR caliber, .458 Socom, .50 Beowulf, what have you, do to case length and diameter. MSRP: $260; santantactical.com, A very lightweight option, Obsidian Arm’s big-bore upper is ideal for highly mobile builds only adding 6.7 ounces to a rifle. Forged from 7075- T6 aluminum, this stripped upper is precision machined to accept standard .308 components. Aero Precision M4E1 16 Midlength Pencil . This is not just your standard A1 upper, we enlarged the ejection port along with a relief cut on the upper right side as found on most proper big bore uppers to eject big bore … Pin www.ar15part.com to Pinterest. Until as of late, if you were hunting an AR around the Midwest in all likelihood you were hunting with a .450 Bushmaster. MSRP: $85; aeroprecisionusa.com, Black Rain’s .450 Bushmaster upper definitely has a tactical flare, but is more than comfortable as a hunter. The M5.308 Stripped Upper Receiver is the perfect upper for your big bore rifle build. $378.42. 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. Get 12 Issues a year of the country's best firearms writing. When not at his press or the range he can be found chasing mule deer around the Rocky Mountains. Big Bore Flat Top Stripped Upper w/ enlarged ejection port. For the best experience on our site, be sure to turn on Javascript in your browser. Get the 74th edition of the World's Greatest Gun Book. Match this with our M5 .308 lower receiver for a solid and dependable fit. The M5 .308 Stripped Upper Receiver is the perfect upper for your big bore rifle build. Things are more complex and drastic jumping to .450 Bushmaster. Home; Shop; Contact Us; Terms and Returns Forged. Please try again. Packing plenty of punch at moderate distances, the big-bore brute is a proven venison getter, if you were up to its relatively stout recoil. Email Address. Follow. Forged from 7075- T6 aluminum, this stripped upper is precision machined to accept standard .308 components. Plain-Jane in looks, the upper nonetheless performs. MOA Customs Big Bore Upper Receiver $ 79.99. And why no discussion of Tromix Lead Delivery Systems in the article? Similar to most cartridges compatible with America’s favorite rifle, the .450 Bushmaster doesn’t require a new firearm to get behind the trigger. The gunmaker’s 18-inch barreled .450 Bushmaster upper is a “Mama Bear” option, nimble but long enough to milk a little more out of the cartridge. Obviously, there are a number of pre-assembled .450 Bushmaster uppers on the market, which we’ll look at in a second, but it’s more than feasible to build yours from the bottom up. The upper drops onto any standard lower with an expanded ejection port to accommodate not only the .458 SOCOM, but also other big-bore calibers. Anderson's .458 SOCOM Stripped Upper Receiver is machined from 7075 T6 Aluminum forging. 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