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The True Precision Threaded Barrel for Sig Sauer P320 Compact, X-Carry, and M18 is a drop-in, ready 9mm upgrade designed for the 3.9" P320 Compact, X-Carry, and M18 models. Built from USA-sourced, certified 416R stainless steel, this 4.64" overall threaded barrel (same as OEM) does not retain the LCI cut-out.
TRUE barrels use advanced cuts, chamfers, and a feed ramp designed to feed all types of ammunition reliably. Proprietary stainless steel broach-cut, 6-groove rifling with a 9mm 1:10 RH twist and a SAAMI spec 9x19 Luger chamber support accuracy and consistent performance. 1/2x28 muzzle threads include a high-heat integral O-ring lock thread protector. American-made precision, performance, and style.
NOTICE: This barrel does not retain the LCI cut-out. Pistols with a loaded chamber indicator, such as some M18 models, require LCI removal or shortening for correct function with this barrel. Very light fitting may be needed on some X-Carry models due to variation in some Sig X-Carry OEM slides.
Features
- Drop-in threaded barrel for Sig P320 Compact, X-Carry, and M18
- Designed for 3.9" P320 Compact, X-Carry, and M18 9mm
- 4.64" overall length (same as OEM)
- Does not retain the LCI cut-out
- USA-sourced certified 416R stainless steel
- Proprietary broach-cut, 6-groove rifling
- 9mm 1:10 RH twist; suitable for all ammo, including cast lead
- SAAMI spec 9x19 Luger chamber
- Advanced cuts, chamfers, and feed ramp for reliable feeding
- 1/2x28 threads
- Includes high-heat integral O-ring lock thread protector
- Finish: Black Nitride
- Made in the USA
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