ETS 30-Round Extended Magazine for Sig P320 — 9mm

The ETS extended magazine provides increased capacity for the Sig Sauer P320 platform while prioritizing durability and serviceability. Constructed from advanced impact-resistant polymer with a clear/translucent body, it allows visual confirmation of ammo count and resists heat, cold, UV exposure, and harsh chemicals. Designed with creep-resistant feed lips and an ergonomically shaped floor plate, the magazine is intended for reliable storage and convenient handling.

Key Specifications

• The magazine is chambered for 9mm cartridges.
• The magazine offers a capacity of 30 rounds.
• The body is molded from an advanced impact-resistant polymer.
• The finish is a clear/translucent body to allow visual ammo inspection.
• The feed lips are creep-resistant to help maintain geometry during long-term storage.
• Includes a non-tilt follower for consistent feeding.
• Features an interchangeable base plate compatible with ETS 9mm double-stack magazines.
• Designed to be compatible with Glock extensions where applicable.
• The magazine has an ergonomic floor plate for easier extraction from pouches.
• Engineered to be resistant to heat, cold, UV and harsh chemicals.

Built for dependable service and straightforward use, this ETS extended magazine is a practical option for P320 owners who want increased capacity, quick visual ammo checks, and a durable polymer construction suited to demanding environments.