Quarter Circle 10 – QC5 Receiver set for MP5 9 mm magazines

By Eric B

I’m not new to 9×19 mm carbine shooting, but I only shot my first match with a 9 mm “rifle” recently. If you can, you should try Pistol Caliber Carbine (PCC) competition because it’s great fun. In terms of choosing a Pistol Carbine there are a few roads to go. AR9 is one, but I […]

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