Geissele Cold Hammer Forged (CHF), Chrome Lined Barrel, 5.56 – 11.5″

Geissele CHF Chrome Lined Barrel, 5.56 – 11.5″

A 11.5″ 5.56 NATO AR-15 barrel made by Geissele Automatics in North Wales, Pennsylvania. It is cold hammer forged from chrome moly vanadium steel, chrome lined, and turned to the Geissele taper profile. Every barrel is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI). It is the same barrel type Geissele fits to its Super Duty rifles and suits duty-style, competition and general sporting builds.

• Cold hammer forged and chrome lined
• Geissele taper profile, 1:7″ twist for a wide range of bullet weights
• Carbine gas system with a .070″ gas port
• .750″ gas block journal with one dimple machined for a gas block set screw
• M4 feed ramps on the barrel extension
• Muzzle threaded 1/2×28 for standard 5.56 muzzle devices
• Manganese phosphate exterior finish

Supplied as a bare barrel (no gas block, gas tube or muzzle device). Geissele recommends installation by a qualified gunsmith.

Specifications:

• Calibre / chamber: 5.56 NATO
• Length: 292 mm (11.5″)
• Weight: 0.59 kg (1.3 lb)
• Rifling: cold hammer forged, chrome lined
• Twist: 1:7″
• Profile: Geissele taper profile
• Gas system: Carbine
• Gas port: .070″
• Gas block diameter: .750″ (19.05 mm)
• Muzzle thread: 1/2×28
• Barrel extension: M4 feed ramps
• Material: chrome moly vanadium steel
• Finish: manganese phosphate