Phase 5 Barrel 7.5” 1:7 Black

Phase 5’s most popular AR type pistol barrel.
Barrel length: 7.5″
Barrel Weight: 1.09lbs
Barrel Material: 4150 Steel
Caliber: 5.56 NATO
Twist Rate: 1:7
Barrel Thread: 1/2 x 28
Gas Block Size: .750
Gas System: Pistol
Barrel Finish: Manganese Phosphate
Barrel Extension Finish: Electroless Nickel