True Precision Sig Sauer P320 Compact Barrel

Upgrade your Sig P320 Compact with the True Precision drop-in barrel—engineered for enhanced accuracy, reliability, and performance. Designed to fit the Sig Sauer P320 Compact 3.9", X-Carry, and M18 9mm models (also available for P320 X Compact 3.6"), this barrel delivers a serious performance edge over stock components.

Crafted in the USA from precision-machined 416R stainless steel, each barrel features broach-cut rifling for superior accuracy and consistent performance with all types of 9mm ammunition, including cast and self-defense loads. The advanced feed ramp geometry and refined chamfers ensure flawless cycling and improved reliability. Whether you’re upgrading for duty, carry, or competition, the True Precision P320 Compact barrel is built to meet the demands of serious shooters. No gunsmithing required—just drop it in and feel the difference.

• Fits the Sig P320 Compact, X-Carry (minor fitting may be required on some X-Carry models), and M18 (will not fit the X-Compact). Easy to install drop-in design.
• Retains Loaded Chamber Indicator cut for M18 to allow interchangeability among P320 variants.
• Advanced proprietary broach cut design specifically engineered for increased accuracy potential.
• Broach cut 6 groove rifling allows for all ammo types to be used safely, including cast lead.
• 100% Designed and manufactured in the USA with USA sourced certified 416R Stainless Steel.
• 9mm 1/10 twist rifling.
• Special 11-degree competition-style target crown for non-threaded versions or 1/2x28 threads with an included thread protector on threaded versions.
• SAAMI spec chamber.
• Improved overall fit from OEM with added chamfers, improved radius cuts, and other additions for a better than OEM barrel.

See our complete line of Sig P320 Products here

DISCLAIMER: DOES NOT FIT SIG P320 FULL-SIZE MODELS

Note: NDZ always recommends any part be installed by a qualified and trained gunsmith. NDZ promotes the use of safety practices and gear when working on any firearm.