Springfield Armory XDM Stainless Steel 4.5" Steel Hammer Forged Match Grade Barrel Chambered in .45 ACP Match Grade Trigger Steel Dovetail White 3 Dot Front and Rear Sights 13 Round Magazine, The
Noveske Recon Barrel Headspaced Bolt AR-15 5.56x45mm NATO Medium
Cold Hammer Forged Barrels - Parts & Tools
Cold hammer forged barrel | Tikka
S20 Cold hammer forged barrel | SAKO
Firearms History, Technology & Development: May 2010
What You Need To Know About The Barrel Break-In Process | An NRA Shooting Sports Journal