Add to Cart Compare Magpul Pmag M3 300 Blackout 30Rd Black MAGPUL INDUSTRIES CORPORATION MSRP: $15.95 Now: $11.52 Was: Caliber: 300 BO Capacity: 30 Finish: Black Model: PMAG Material: Polymer ... MSRP: $15.95 Now: $11.52 Was: Add to Cart Compare