STEADFAST .300 BLK 200gr RAX Subsonic is constructed utilizing a Maker Bullets hollow point, fracturing, solid copper projectile loaded in new brass casings.

This subsonic ammunition is for use in 16" barrels with a twist rate of 1:7 or faster – e.g., 1:6, 1:5. Shorter barrels and/or slower twist rates may understabilize this subsonic projectile.

Cycles most factory semi-auto rifles.

Lead-free

Velocity: 1000 fps in a 16 inch bbl with 1:7 twist.