A brand new magazine product for the AR-15 platform has come to the market from Magpul with the release of the Magpul PMAG 20 AR 300 B GEN M3 20 round magazine. The new 20 round magazine features a unique design and specialized follower suited for the 300 Blackout cartridge. [TFB GUNFEST] Magpul Introduces 20-Round […]
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