Sig Sauer Handgun Barrel for P320/P250 9mm 4.3″ Threaded Barrel 1/2 in – 28mm
$185.12
Enhance your Sig Sauer P320 or P250 pistol with this 4.3″ threaded 9mm barrel. Ideal for suppressed shooting and easy to install.
2 in stock
Chambered in 9mm this barrel is meant to fit with either the P320 or P250 Compact/Carry models. Barrels can be replaced easily and conveniently by simply ensuring the firearm is unloaded removing the slide from the receiver and grip module and sliding out the existing barrel. This barrel is threaded and comes with a thread protector cap.
Features:
- Model P320
- Threaded Barrel Yes
- Threads 1/2 in – 28 tpi
- Loaded Chamber Indicator No
- Caliber 9mm Luger
- Barrel Finish Nitron
| Weight | 0.385 lbs |
|---|---|
| Dimensions | 9.650 × 4.150 × 1.750 in |
| Manufacturer | Sig Sauer |
| Caliber | 9mm Luger |
| Barrel Length | 4.3″ |
| Finish | Nitron |
| Thread Pattern | 1/2 in – 28 tpi |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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