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Brn-4 Upper Receiver Build Kits - Brn-4 10.4'''' Medium Barrel Upper Build Kit

Brn-4 Upper Receiver Build Kits - Brn-4 10.4'''' Medium Barrel Upper Build Kit - Brownells Bundles
Brand Brownells Bundles
Caliber 5.56×45mm NATO
MSRP $999.00
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Description
Build your own upper receiver kit! The BRN-4® is now available as an Build Kit. Simply add your preferred HK® 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-4® barrel nut wrench to properly install the barrel. The core of the BRN-4® 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 precision machined from 9310 tool steel and headspaced prior to and after barrel installation. The new BRN-4® barrel, produced by Faxon®, is available in a variety of p Mfg: Brownells Bundles
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Receiver Parts
Receivers
Rifle Parts
Upper Receivers