Understanding the AR-10 lower receiver is key to getting the rifle you want.
Decoding The Nuances Of The AR-10 Lower
Understanding the AR-10 lower receiver is key to getting the rifle you want. Find out more about this key feature of the larger-caliber AR.
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Top: ArmaLite pattern lower receiver, note the angular rear cut.
Bottom: Palmetto State Armory DPSM pattern lower with elliptical cut.