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Hi Brian, the barrel is machined from MIL-B-11595E chrome moly steel, is is button rifled, and has a chrome-lined bore and manganese phosphate external finish. Stay safe & have a great day!

Hi Brian and welcome. No, the ALG Defense El Jefe AR 223 barrel is not cold hammer forged. It is button rifled and chrome plated. While cold hammer forging is a popular method for creating high-quality barrels, ALG Defense utilizes button rifling and chrome plating for the El Jefe .Cheers and stay safe!

The ALG Defense El Jefe AR 223 Remington/556NATO features a button rifled, chrome-lined barrel. It is made from MIL-B-11595E chrome moly steel. The barrel is also equipped with a Geissele 17-4 PH stainless steel gas block and a mid-length gas tube. Here's a more detailed breakdown: Button Rifled: This method of rifling involves cutting the grooves into the barrel using a button-like tool, which is a common and reliable manufacturing process. Chrome Lined: The barrel is coated with chrome, which increases its durability, corrosion resistance, and resistance to fouling. MIL-B-11595E Chrome Moly Steel: This specific type of steel is known for its strength and ability to withstand the rigors of shooting, especially in high-heat and high-pressure environments.

No, the El Jefe AR 223 barrel is not cold hammer forged. It's button rifled with chrome plating

sorry its a It button rifled and chrome plated barrel it is not cold hammer forged