Brownells has announced the release of the BRN-4 Pistol Upper receiver kit built on the infamous HK 416 pattern.

Brownells states “The HK416 is perhaps most successful adaptation of the AR-15 platform for piston operation.

Long coveted by AR-15 collectors, these guns have been scarce and prohibitively expensive in the U.S.

Now, folks who want to experience 416 performance first-hand have a truly affordable alternative, thanks to our new HK416-compatible BRN-4 Piston Upper Receiver Kit!

The kit contains all the parts needed to assemble a complete upper, including an original Heckler & Koch® HK416 stripped receiver and handguard.

The rest of the HK416-compatible BRN-4 parts are new-manufactured for Brownells: bolt-carrier group with tough Nitride finish, gas piston, operating rod, gas block (and pins), barrel nut, and handguard retaining screw.

You can get your BRN-4 kit with a 14.5″ or 16″ barrel. Manufactured for Brownells by Faxon, the medium-contour, 5.56 NATO chambered BRN-4 barrel is slimmer than original HK416 barrels to keep weight down and help you build a well-balanced rifle.”

To learn more about Brownells. CLICK HERE

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