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Michael this barrel is a 16" nitride barrel that is not chrome lined.
No, not chrome lined Michael. -- (Specifications and Features): - SIG Sauer M400 Elite AR-15 Semi Auto Rifle RM400-16B-E - Direct Gas Impingement - 5.56 NATO (Accepts .223 Remington) - 16" Barrel - 1:7" Twist Rate - 30 Round Magazine - Free Float M-LOK Compatible Hand Guard - Polymer Pistol Grip - 6 Position Telescoping Stock with QD Points - SIG Sauer Enhanced Trigger - Overall Length Collapsed 32" and 35.2" Extended - Overall Weight 7.3lbs - Matte Black Finish.
Sorry this is a Nitride barrel not a chrome lined barrel (Specifications and Features): - SIG Sauer M400 Elite AR-15 Semi Auto Rifle RM400-16B-E - Direct Gas Impingement - 5.56 NATO (Accepts .223 Remington) - 16" Barrel - 1:7" Twist Rate - 30 Round Magazine - Free Float M-LOK Compatible Hand Guard - Polymer Pistol Grip - 6 Position Telescoping Stock with QD Points - SIG Sauer Enhanced Trigger - Overall Length Collapsed 32" and 35.2" Extended - Overall Weight 7.3lbs - Matte Black Finish.
