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Magpul PMAG 20 AR 300 B Gen M3 Rifle Magazine 300 AAC BLK 20/rdPhoto coming soon. This item is currently in stock.
Rifle Magazines

Magpul PMAG 20 AR 300 B Gen M3 Rifle Magazine 300 AAC BLK 20/rd

UPC: 840815132233
$16.95
Available

The 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. Since its inception 300 BLK shooters have had to use a magazine designed for another cartridge limiting that round’s ultimate performance and compatibility.

Product highlights

  • One of the key features of 300 BLK in the past has been its compatibility with 5.56x45mm magazines.
  • However even with moderate success with that particular magazine it is a compromise to do so with reliability and safety both being at risk.
  • In addition to the performance gained by a dedicated mag the PMAG 20 AR 300 B also offers a safer way to feed your 300 BLK rifle.
  • When using 5.56x45mm mags the potential to chamber and fire a 300 BLK round in a 5.56x45mm rifle with catastrophic results requires diligent ammunition management by the shooter.