This is the 3rd generation M3 20 round PMAG in .300 BLK (300 AAC Blackout).
Magpul has introduced a dedicated magazine with geometry tailored for popular 300 BLK loads for improved feed, rather than shooters having to use 5.56mm magazines which can run into issues feeding loads with heavy profile bullets.
The M3 generation PMAG combines Magpul's latest polymer materials technology with further design refinements to offer renowned magazine reliability in all conditions.
- Made from Magpul's extremely durable reinforced polymer
- Long life stainless steel spring
- Four way anti tilt follower
- Constant curve internal geometry for reliable feeding
- Low profile ribs and a textured front and rear for positive grip in all weathers
- Over travel stop lug on the spine
- Paint dot matrix for easy marking
Compatible with all AR-15 and STANAG rifles chambered for 300 BLK.