This replacement barrel is for your Sig P320 compact model chambered in 9mm and is 3.9" long.
These Replacement Barrels for compact Sig P320 or M18 handguns are manufactured in Sanford NC, USA. Our Sig P320 barrels drop right into your P320 or M18 pistol. Enjoy high performance at a low cost with an NSPEC Sig P320 barrel
4150 Black Nitride Barrel
3.9" length
1:16 Twist
9MM Caliber
Unthreaded