First Look: BRN 180 Upper Receivers In 7.62x39mm
Brownells is now offering their popular BRN-180 gas piston uppers for the 7.62x39mm intermediate cartridge, made famous across the globe by the Kalashnikov rifle and the SKS carbine. The BRN-180 10.5 inch barrel length uppers are currently shipping, with 16 inch barrel length upper receivers to follow shortly. Like other BRN-180 variants, these still retain the adjustable gas system settings and folding stock capabilities that BRN-180 enthusiasts have come to enjoy.
The Brownells BRN-180 upper receiver is a collaborative effort between Brownells, Primary Weapons Systems (PWS) and FM Products. The upper draws inspiration from the original Armalite AR-18 and AR-180 designs of the 1960s that were meant to follow Armalite’s original AR-15 design. The BRN-180, like the original Armalite version, makes use of a gas piston mechanism compared to the AR-15’s direct gas impingement method. As a nod to the original design, the BRN-180 still includes a retro style three prong flash-hider. However, shooters today will certainly appreciate the M-Lok handguards on these uppers that obviously weren’t available during the 1960s when the AR-18 and AR-180 was first introduced. Another change from the original version is that the Brownells BRN-180 upper is intended to be used with standard AR-15 lower receivers, making compatible with a wide range of available accessories.
Brownells suggests the use of C-Products Duramags or Unimags for best results with their 7.62x39mm uppers. As this caliber’s case has a strong tapering profile, buyers should be aware that not all AR-pattern magazines can reliably feed them into a gun’s breech. This is why Kalashnikov magazines have that very distinctive curvature. Please be aware that these upper receivers are not compatible with Kalashnikov pattern magazines.
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The retail pricing for both the 10.5 inch and 16 inch 7.62x39mm uppers start at $969. For more information about BRN-180 uppers, parts, stocks, and accessories, please visit Brownells’ website at brownells.com.
Article by SHOOTING ILLUSTRATED STAFF