Magpul Industries AMAG 21 SG9 9mm Stainless Steel Magazine – 21 Rounds, Fits SIG P320

Upgrade your SIG P320 with the Magpul Industries AMAG 21 SG9 magazine – a premium, stainless‑steel 9mm magazine designed for reliability, capacity, and style. With a 21‑round capacity, this magazine offers the perfect balance between high ammunition volume and compactness, making it ideal for both tactical applications and everyday carry.

Key Benefits & Features

• 21‑Round Capacity: Carry more rounds without sacrificing ergonomics.
• Stainless Steel Construction: Corrosion‑resistant, lightweight, and built to last in harsh environments.
• Precision Fit for SIG P320: Directly compatible with the SIG P320 platform for seamless installation.
• Silver Finish (MAG1465‑SST): Sleek, low‑profile look that complements the modern aesthetics of the SIG P320.
• Enhanced Feed Reliability: Engineered feed geometry reduces jams and improves round alignment.
• Easy Maintenance: Simple disassembly for cleaning and lubrication.
• Universal Compatibility: Works with all SIG P320 variants (full‑size, compact, and sub‑compact models).

Technical Specifications

Ideal Use Cases

• Law enforcement & tactical teams requiring high‑capacity, reliable magazines.
• Competitive shooters looking for consistent feed performance.
• Self‑defense owners who value rapid reloads and a low‑profile design.
• Outdoor enthusiasts who need corrosion‑resistant gear for humid or marine environments.

Easy Installation

1. Ensure the SIG P320 is unloaded and the safety is engaged.
2. Insert the AMAG 21 SG9 magazine into the grip until it clicks securely.
3. Perform a function check by pulling the slide to verify smooth feeding.
4. Enjoy reliable performance with every round.