The Spikes Tactical 5.56 HBAR/A2 Profile 20in Rifle Barrel is not cold hammer forged. Its features include:
MIL-B-11595E CMV
Chrome Lined
1/7 Twist Rate
1/2 X 28 Thread Pitch for Muzzle
5.56 Nato Chamber
.750 Gas Block Seat
M4 Feed Ramped Barrel Extension
MilSpec Phosphate Coating
HBAR/ A2 Profile
Rifle Length Gas System