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BRN-4 Upper Receiver Assemblies with Chrome Lined Barrels. Assembled upper with Barrel and Gas System installed. Fits standard AR-15 lowers. Chrome lined bore and chamber. Barrels are medium profile and built by Faxon, button rifled from 4150 chrome moly steel with 1:7 twist and 1/2-28 muzzle threads. Matte black phosphate exterior. Upper includes Magpul ejection port cover and mil-spec charging handle. Gas blocks are vented forward and matched to barrel length. Available with barrel lengths of 10.4, 13.7, 14.5, and 16 inches. Upper is machined from billet aluminum and anodized.
Specifications
- Manufacturer:
- Brownells
- Category:
- upper-receiver
- Platforms:
- AR-15
- UPC:
- 050806000629
- MPN:
- BRN-4-16-CL-UPPER
- Required Component:
- Yes
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