Magpul PMAG GEN M3 AR Platform Magazine, 300 Blackout, 20rd., Black (MAG1182-BLK)


UPC: 840815132233

MSRP: $15.95

Availability In stock


Magpul’s PMAG 20 AR 300 B GEN M3 is a purpose-built magazine for rifles chambered in .300 Blackout (300 BLK). Similar in every way to our PMAG 30 AR 300 B, the PMAG 20 is more compact for increased maneuverability and creates a more concealable package for use in small format firearms.

The PMAG 20 AR 300 B’s distinct ribbed design and smoother upper-half texture provides the shooter a distinct visual and tactile difference from any other PMAG to mitigate dangerous cross-loading issues.

  • Dedicated for rifles chambered in 300 BLK that supports the differing geometries found in that caliber
  • 20-round body is more compact for increased maneuverability
  • Distinct rib design and texture provide visual and tactile differentiation to mitigate dangerous cross-loading issues
  • Next-generation impact and crush-resistant polymer
UPC 840815132233
Color/Finish Black
Capacity 20rd
Materials Polymer
Compatibility Fits AR Rifles
Caliber/Gauge 300 AAC Blackout
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