Magpul PMAG 30 AR 300 B GEN M3

Item No. 84081511722


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The PMAG 30 AR 300 B GEN M3 is a purpose-designed magazine for rifles chambered in 300 Blackout. Since its inception 300 Blackout shooters have had to use a magazine designed for another cartridge limiting its performance and compatibility. One of the nice features of 300 Blackout is the compatibility with 5.56x45mm parts but with the magazine it is a compromise to do so. Due to the wide variety of projectile weights and shapes potentially decreasing overall reliability a dedicated 300 Blackout magazine was a logical step for the PMAG line.

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