Brownells 75th Anniversary - A Shooting Heritage
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Upgrade Your AR With a Roller Cam Pin

Designed for use in gas-piston operated AR-15s, the Patriot Ordnance Factory Roller Cam Pin is an innovative concept that provides smoother operation of the bolt-carrier group and reduces stress on the cam pin, providing more durability and service life.

This cam pin fits any gas-piston 5.56 NATO upper receiver, but to take advantage of the system, users will also need to buy the Roller Cam Pin Upgrade Kit, which includes a modified gas key that provides clearance for the modified cam pin.

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