Recommended Barrel Length: 7.5" - 14.5"

Recommended Gas System Length: Pistol or Carbine

*Pistol Length Gas system recommended for reliable cycling of subsonic ammunition.

Recommended Barrel Twist Rate: 1 in 8" or faster

*Barrel Length and Twist Rate recommendations allow for optimum accuracy, muzzle velocity, and projectile stabilization.

.300 Blackout “Phantom” Subsonic Expander Ballistic Table

Weight: 200gr

G1 Ballistic Coefficient: .390

Sight Height: 1.5”