Geissele Automatics Rifle Barrel, 5.56 NATO, 16" Cold Hammer Forged Barrel, 1/2X28 Thread Pitch, Fits AR-15, Chrome Lined, Geissele Taper Profile, Mid-Length Gas System, Manganese Phosphate Finish, Black

Geissele barrels are precision-machined and cold-hammer-forged using the highest-quality materials at their state-of-the-art facility in North Wales, PA, to ensure the highest quality and consistency in each barrel. Their barrels are High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI). The accuracy and reliability of Geissele CHF barrels make them an ideal choice for a hard-use duty weapon, a precision-tuned competition gun, and everything in between. • Chrome Moly Vanadium Steel • Geissele Taper Profile • Mid-Length Gas System • .750 Gas Block Diameter • .078 Gas Port • 1-7 Twist Rate • M4 Feed Ramps