Ships within 24 hrs — orders placed at the weekend ship Monday
COMBATARMORY
Shop Guides Help
SIG P320 Barrel 9mm – 3.9"

Combat Armory · Sig Barrels

Combat Armory Barrel Fits Sig 9mm 3.9" P320 Compact/Carry Barrel With LCI

The SIG P320 Barrel 9mm is a replacement barrel for the SIG P320. $49.99 (was $179.99), free shipping on orders over $99.00, ships within 24 hours.

$49.99 $179.99 Save 72%

In stock — ships within 24 hrs

Free shipping on orders over $99.00. Ships within 24 hrs — orders placed at the weekend ship Monday.

Fits

Fits the SIG P320.

  • 9mm
  • Drop in fit for P320 Compact Carry
  • Machined from 416 stainless steel and h eat treated to RC 41
  • Fully supported chamber and improved feed ramp design
  • Polished Feed Ramp for easy feeding
  • Target crown and oversized lock up area
  • Conventional rifling with a polished chamber and bore to perform well with lead, plated and jacketed bullets
  • 1:10 twist rate
All Sig Barrels

Barrel Fits Sig 9mm 3.9" P320 Compact/Carry Barrel With LCI (Loaded Chamber Indicator)

  • 9mm
  • Drop in fit for P320 Compact Carry
  • Machined from 416 stainless steel and heat treated to RC 41
  • Fully supported chamber and improved feed ramp design
  • Polished Feed Ramp for easy feeding
  • Target crown and oversized lock up area 
  • Conventional rifling with a polished chamber and bore to perform well with lead, plated and jacketed bullets
  • 1:10 twist rate
  • Barrel length 3.9"

SIG P320 barrel questions

Which models does the SIG P320 Barrel 9mm fit?

Fits the SIG P320.

Is this barrel threaded?

No. This is a standard-length barrel with no muzzle threads. If you want to mount a compensator or suppressor, choose the threaded version of the same barrel.

How fast does it ship?

Ships within 24 hrs — orders placed at the weekend ship Monday. Shipping is free on orders over $99.00; below that it is a flat $9.95.

Can I return it?

Unused barrels in their original packaging can be returned within 30 days of delivery. A barrel that has been fired, fitted or refinished cannot be returned.

See also: Shipping & returns · FFL transfers

Customers also bought

All Sig Barrels →