Davidson Defense AR-15 300 Blackout Phosphate 16" HBAR Pistol Length Barrel W/ 1:8 Twist
This barrel is a true 300 blackout beast. Its pistol-length gas system provides plenty of gas pressure to consistently fire accurately without fail, no matter what ammo you want to feed it.
Caliber: .300 Blackout
Gas System Length: Pistol
Gas Block System: 0.750
Gas Hole Diameter: 0.125