Firearms Examiner Training | Hammer Forged | National Institute of Justice
BEAR CREEK BC-15 - 7.62x39 - 16" COLD HAMMER FORGED Barrel - Black Nitride
I was an idiot. I assumed all BCM uppers had cold hammer forged barrels. I bought this upper and realized after I bought it that it did not have a cold hammer
The More You Know: Cold Hammer Forging (CHF) -The Firearm Blog
The Cold Hard Facts About Cold Hammer Forged Barrels - Black Rifle Depot
Steyr Factory Tour - An Insider's Look At How Steyr Hammer Forges Their Barrels In Austria - YouTube