Description
The original SIG Sauer 21-round extended factory magazine is designed for the P320 pistol platform, including the US Military M17 and M18 models. This high-capacity magazine provides maximum firepower and unmatched reliability, making it the premier choice for tactical training, home defense, and competitive shooting.
The magazine tube is constructed from high-tensile carbon steel finished with a specialized anti-friction coating to ensure smooth reloading and resistance to wear. It features an FDE / Coyote Tan polymer extension floor plate that extends below the magwell, perfectly matching FDE grip modules.
Compatibility: Fits SIG Sauer P320 Full-Size, Carry, M17, M18, X-Five, and other 9mm double-stack variants.
Key Features:
- Extended 21-Round Capacity: Increases ammunition capacity significantly for fewer reloads on the field.
- Genuine SIG Sauer OEM: Factory-built to exact specifications for flawless feeding and absolute performance.
- Premium Materials: Heavy-duty steel body combined with a durable anti-tilt polymer follower and strong steel spring.
- Witness Holes: Rear-facing numbered indicator holes allow for rapid, precise visual ammunition counts.
- Impact-Resistant Base: The extended polymer floor plate aids in fast tactical reloads and protects the magazine when dropped.
