True Precision

Sig P320 Compact, X-Carry, & M18 3.9" Threaded 1/2x28 Non-LCI (Assorted Finishes)

$179.99 - $199.99
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P320C Threaded
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Product Details

TRUE is proud to offer its drop-in ready barrel for the Sig Sauer P320 Compact, designed for the 3.9" P320 Compact, X-Carry & M18 9mm models (also available for P320 X Compact, 3.6”). TRUE barrels deliver unmatched accuracy, combining advanced cuts, chamfers, and feed ramp designed to outperform OEM standards and to ensure reliable feeding of all types of ammunition designs. Our proprietary stainless steel broach cut rifling underscores our commitment to those who demand only the best. The TRUE barrel stands as the definitive Sig P320 Compact upgrade - Experience American-made precision, performance, and style

*Notice* For certain pistol versions that have a loaded chamber indicator the need to remove the LCI or modify it by shortening is required to use this barrel. Once performed this barrel will function correctly in the the LCI equipped firearm.


Designed for: 3.9" P320 Compact, X-Carry & M18 9mm - Threaded Length: 4.64" overall (same as OEM Sig for this model).

Rifling: Proprietary broach cut, 6-groove, 9mm 1/10RH twist, suitable for all ammo including cast lead

Material: USA sourced certified 416R stainless steel

Chamber: SAAMI spec 9x19 Luger

Available Options: Target crown (non-threaded) or
1/2x28 threads (threaded) with protector

Threaded Model: Includes High-heat integral O-ring lock thread protector

Design: Improved fit from OEM with added chamfers, radius cuts, and re-engineered feedramp. Does NOT retain the LCI notch. Removal of your LCI (if applicable) is required to install this barrel. LCI hole removal helps mitigate debris blowback into optic glass when firing.

Finishes: Assorted specialty coatings available

Warranty: Limited Lifetime performance on function

TRUE Finishes & Coatings

Black Nitride, known as "Melonite," provides a deep, hardened, jet-black finish from within the steel, whereas PVD offers various colors with varying wear resistances, including the less durable TRUE Blue. TRUE Precision also features a customizable Satin Stainless finish, which is corrosion-resistant but benefits from regular maintenance.

This True Precision part is covered by our Lifetime Warranty on performance and function. Your True Precision product is guaranteed to always function as intended. It does NOT warranty against cosmetic wear such as coating/finish wear and normal wear from use. Warranty does NOT cover intentional missuse, intentional damage, or improper modifications to any product.