True Precision TPP32CBXBL Sig 9mm 3.90″ Black Nitride Barrel

True Precision offers a drop-in ready barrel designed for the Sig Sauer P320 Compact family. This barrel is specified for 9mm Luger models in a 3.90-inch length and uses a stainless steel broach-cut rifling profile. The barrel features a Black Nitride finish and a feed ramp geometry engineered to promote consistent feeding across common ammunition designs. It is intended as a direct upgrade option for P320 Compact, X-Carry, and M18 pistols.

Key Specifications

• The manufacturer is True Precision Inc.
• The model identifier is TPP32CBXBL.
• The caliber is 9mm Luger.
• The barrel length is 3.90 inches.
• The finish is Black Nitride.
• The barrel type is Drop In.
• The barrel material and rifling are stainless steel with broach-cut rifling.
• The rate of twist is 1:10″ RH.
• This barrel is made to fit Sig P320 Compact, P320 X-Carry, and P320 M18.

Built to provide a straightforward performance-focused upgrade, this True Precision barrel combines durable stainless steel construction, broach-cut rifling, and a Black Nitride finish to deliver improved durability and consistent feeding. Its drop-in design preserves existing pistol ergonomics while offering a precise, serviceable option for users seeking a higher-spec replacement barrel for carry, duty, or competition use.