Brn-4 Piston Upper Receiver Kits - Brn-4 16'''' Upper Receiver Kit W/ Medium Profile Barrel
Brand Brownells
Caliber 5.56×45mm NATO
MSRP $1,839.99
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Description
The Brownells BRN-4 Piston Upper Receiver Kits – Parts Kit New Production Brownells and surplus HK® Components Utilizing new production Brownells BRN-4 Bolt Carrier Groups and Barrels, the unassembled BRN-4 Upper Kits feature HK® 416 compatible components, in an affordable package. The heart of this bundle is the new BRN-4 Bolt Carrier Group, with nitride finish. This BCG is designed to be compatible with 416 components, such as the genuine 416 stripped upper this kit is paired with. The BRN-4 barrel is new production as well, manufactured by Faxon for Brownells. These barrels have a 5.56x45mm NATO chamber and have a 1-7 twist. The medium profile is slimmer than classic Mfg: Brownells
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