MAGPUL AMAG 21 SG9 9MM SIG P320 SST

The Magpul AMAG 21 SG9 is a high-capacity magazine designed specifically for the SIG P320 9mm handgun. Constructed with a durable stainless-steel body combined with polymer sub-components, this magazine offers a balance of strength and lightweight performance. It features a 21-round capacity, allowing for extended shooting without frequent reloads.

Notable design elements include a high-visibility controlled-tilt follower that promotes reliable feeding, and a stainless-steel spring engineered for consistent tension and longevity. The magazine is equipped with capacity-indicator windows along the spine, marking rounds in one-round increments starting at five, providing quick visual checks of remaining ammunition.

Maintenance is simplified by a flared floorplate that can be easily removed for cleaning and upkeep. Additionally, the paint-pen dot matrix on the magazine allows for personalized marking. The silver finish complements the overall rugged construction, making the Magpul AMAG 21 SG9 a reliable and practical accessory for SIG P320 owners seeking enhanced magazine capacity and durability.