This ammunition is loaded using new brass with MAST 300 BLK headstamp.
Velocity- Average 2100 FPS
Bullet Wt- 125 grains, Sierra SPT Pro Hunter, No Cannelure
Note: These rounds were tested with a 16″ carbine length gas system and have shown to be very reliable. Different barrel lengths, as well as the use of suppressors, have not been tested and results will vary. This ammunition contains Mil-Spec primers and the use of traditional bolt guns w/ this ammunition could result in misfires.