Sig Sauer P320 Extended Magazine 9mm 30/rd
$52.21
Increase your shooting capacity with this reliable Sig Sauer P320 9mm 30-round extended magazine, featuring a high-lubricity finish and removable sleeve for enhanced comfort.
41 in stock
Shoot longer between reloads with this reliable factory 9mm P320 30-round extended magazine.
Unlike other extended magazines this 30-rd mag offers the same reliability as the magazine that shipped with your pistol. Also included is a removable sleeve for enhanced comfort when used in a full-size grip module.
Features:
- 30-round capacity
- High-lubricity finish for reliable function
- Removable sleeved base plate for enhanced comfort and function
- Rear witness holes in increments of 5 to display the remaining rounds in the magazine
- Removable base plate for easy maintenance
- High-tensile spring for unmatched reliability and service life
- Durable polymer follower
- Complete steel body construction
| Weight | 0.545 lbs |
|---|---|
| Dimensions | 9.250 × 4.000 × 1.750 in |
| Manufacturer | Sig Sauer |
| Capacity | 30 |
| Caliber | 9mm |
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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