SIG SAUER P250/P320 Full-Size .40 S&W / .357 SIG 18RD Extended Mag

Overview

The SIG SAUER P250/P320 Full-Size 18RD Extended Magazine is a high-capacity OEM mag designed for flawless function and reliable feeding. Built from durable steel and engineered to SIG’s exacting standards, this magazine accommodates both .40 S&W and .357 SIG ammunition, making it a versatile and essential upgrade for full-size P320 or P250 pistols.

Key Features

• Compatible with SIG SAUER P250 and P320 full-size models

• 18-round extended capacity for .40 S&W and .357 SIG calibers

• OEM factory magazine ensures perfect fit and reliable cycling

• Robust steel construction with black finish for enhanced durability

• Precision-engineered feed lips and follower for consistent performance

Specifications

• Caliber: .40 S&W / .357 SIG

• Capacity: 18 Rounds (Extended)

• Material: Steel

• Finish: Black

• Weight: 0.35 lbs

• Dimensions: 9.5" L x 4.1" W x 1.9" H

• Style: Detachable Magazine

• Fits: SIG SAUER P250/P320 Full-Size Pistols

• MPN: MAGMODF4318

• UPC: 798681561018

Applications

Ideal for range training, home defense, duty use, and competitive shooting, where extra capacity and reliability are crucial.

Additional Features

• Works with both .40 S&W and .357 SIG without modification

• Extended design provides additional grip surface for shooters with larger hands