This YouTube video features a range test of a Sig P320 PCC (Pistol Caliber Carbine) build. It utilizes a DoubleStar ARP7 lower receiver and a Primary Weapon Systems PCC upper. The primary focus is on testing the Matador Arms Mag X P320 magazine adapter with various ammunition loads. The video also includes promotions for the channel's Instagram, Optics Planet discount code, Amazon affiliate links, and merchandise.
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