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Build your own upper receiver kit! The BRN-4A(R) is now available as a Build Kit. Simply add your preferred HKA(R) 416 compatible handguard and any 1/2-28 muzzle device, and you're ready to build! Includes all of the main components, plus a BRN-4A(R) barrel nut wrench to properly install the barrel. The core of the BRN-4A(R) Upper Receiver is an all new Bolt Carrier Group, featuring a slick nitride finish. The carrier itself is machined from one piece of forged 8620 steel. The bolt is pre...
Specifications
- Manufacturer:
- Brownells
- Category:
- upper-receiver
- Platforms:
- AR-15
- MPN:
- 430111166
- Required Component:
- Yes
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This is a bundled product that includes multiple components. The exact contents may vary - check the product description for more details.
• Complete assembly ready to use
• Multiple components included
• Value package pricing
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