This Geissele cold hammer forged barrel is an 8-inch AR-15 barrel chambered in 300 Blackout. It is chrome lined, high pressure tested and magnetic particle inspected, with Geissele's taper profile and a custom pistol-length gas system using Geissele's phased array tri-port gas design. It is threaded 5/8x24.
- Caliber: 300 Blackout
- Length: 8 in.
- Profile: Geissele taper
- Gas system: Custom pistol length, phased array tri-port
- Gas block journal: .750 in.
- Twist: 1:7
- Thread: 5/8x24
- Material: Chrome moly vanadium steel, chrome lined
- M4 feed ramps
