NEW Bear Creek Arsenal GPx Gas Piston AR-15 Upper

By Luke C.

Gas piston systems offer AR-15 owners a few different advantages over the traditional direct impingement systems that the AR-15 was designed with. Chief among those advantages is less heat stress on the bolt carrier group and reduced cleaning intervals. If you’re looking for a different flavor of AR-15, then you’ll be interested to hear that […]
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Source: The Firearm Blog