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The perfect upper receiver for your next build! Manufactured in the US with the highest quality components. This upper receiver is available in 5.56 NATO with 11.5" barrel. Government profile barrels have the standard .750" gas block. Now with Brownells AR-15 Bolt Carrier Group and Charging Handle!
- 4150 CMV Barrels Chambered in 5.56 NATO
- 1-7 Barrel Twist
- Forged 7075-T6 Upper Receivers
- ½”-28 Threads
- Carbine Gas Tube
- Hardcoat Anodized
- 100% American Made
- All NFA Rules Apply
The Brownells Bolt Carrier Group is made by a well-established firearms industry manufacturer, made to our specifications. All components of the BCG are made in-house, under one roof, not outsourced to the lowest bidder. Even the firing pin and gas key, commonly outsourced components, are machined by our manufacturer. These Bolt Carrier Groups are rigorously inspected at the factory, for hardness requirements, fitment, cam path geometry, magnetic particle inspection of the bolt and more. Materials for these Bolt Carrier Groups are certified in batches and the dimensions are true to the most current military specifications. Proudly Made in the USA.
Specifications:
- Bolt made from 9310 hardened steel, shot peened and magnetic particle inspected
- Carrier machined from 8620 hardened steel
- Extractor machined from 4340 steel and includes mil-spec extractor spring and rubber insert
- Gas Key machined from 4130 steel and attached with Grade 8 screws, properly staked
- Cam Pin machined from hardened 4340 steel
- Firing Pin made from 8740 steel
- Magnetic-particle inspected Bolt
- Functions with 5.56 NATO cartridges.
Specifications
- Manufacturer:
- Brownells
- Category:
- upper-receiver
- Caliber:
- 5.56x45mm NATO
- Platforms:
- AR-15
- Weight:
- 18.5 oz (1.16 lbs)
- Length:
- 11.5"
- UPC:
- 050806024175
- MPN:
- MIX
- Required Component:
- Yes
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