Magtech 300 AAC Blackout Ammo 123 Grain FMJ

The Magtech .300 AAC Blackout 123 Grain Full Metal Jacket is a dependable, cost effective training load designed for consistent performance in .300 BLK platforms. Built for range use and high volume shooting, this round offers reliable cycling, solid accuracy, and clean function across a variety of rifles.

Loaded with a 123 grain FMJ projectile, this cartridge is optimized for supersonic performance, typically reaching around ~2,230 fps from a 16” barrel, providing flat trajectories and familiar ballistics for shooters training with standard weight loads.

Magtech’s FMJ design promotes smooth feeding and reduced fouling, making it well suited for extended range sessions. The brass cased, boxer primed construction ensures reliable ignition and offers reloadability for added value.