Geissele Automatics 12.5″ 5.56 Hammer-Forged Carbine Barrel Precision machined and cold hammer forged utilizing the highest quality materials in Geissele’s state of the art facility to ensure the highest quality and consistency of each barrel. Our barrels are High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI). The accuracy and reliability of Geissele CHF barrels makes them an ideal choice for a hard use duty weapon, precision tuned competition gun, and everything in between. Specifications Length: 12.5″ Contour: Geissele Taper Profile Gas System Length: Carbine Gas Block Journal Diameter: 0.750″ Gas Port: 0.070″ Thread Pitch: 1/2×28 Chamber: 5.56NATO Twist: 1:7 Twist Rifling: Cold-Hammer Forged Material: Chrome Moly Vanadium Steel Finish: Chrome-lined, Phosphate Weight: 1.40 Pounds Note: All NFA rules apply Click here to browse our entire selection of Barrels.
