Glock G31 10-Round Magazine .357 SIG Black

The Glock G31 10‑round magazine is a factory Glock detachable magazine chambered for .357 SIG. It uses a black polymer body reinforced with a full‑length steel insert and features numbered witness holes for quick visual checks. This magazine is packaged individually and intended for range, training, or duty use with compatible Glock pistols.

Key Specifications

• The capacity is 10 rounds.
• The chambering is .357 SIG.
• The body material is black polymer with a full-length steel insert.
• The basepad is polymer.
• The advertised model fit is G31.
• The finish is black.
• The packaging is individually packaged.
• The magazine includes numbered witness holes for round counting.
• Disassembly is listed as not user-serviceable.

This is a factory Glock magazine built to the manufacturer’s construction: a polymer body reinforced by steel and a polymer basepad for standard handling and durability. It suits shooters seeking a factory-fit 10‑round .357 SIG magazine for regular range use or as a service-compatible spare. Offered in a simple, utilitarian configuration that aligns with Glock factory specifications.

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