The Glock G31 .357 SIG Magazine is a factory OEM double-stack magazine designed specifically for the Glock 31 pistol (also compatible with Glock 32 and 33 versions). It holds 15 rounds standard, with an optional 16‑round version (+1 base plate) available. Constructed with a hardened steel insert encased in polymer, featuring witness windows, and equipped with a high-quality spring and follower, it ensures consistent and reliable feeding.
FEATURES
TECHNICAL DATA
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
FEATURES
- Caliber: .357 SIG (also feeds .40 S&W in most cases, though only .357 SIG magazines guarantee optimal reliability).
- Capacity: Standard 15 rounds, with 16‑round (+1) option.
- Construction: Steel insert wrapped in impact-resistant polymer; includes visual round count windows
- Compatibility: Designed for Glock 31, with limited use on compatible models G32 and G33; note: while .40 S&W magazines often feed .357 SIG, magazine design differences may affect function on .40‑cal pistols.
TECHNICAL DATA
- FAMILY: G31 Series
- MODEL: G31 Magazine
- TYPE: Accessory-Magazines
- ITEM GROUP: Handgun Magazines
- CALIBER/GAUGE: 357 Sig
- FINISH: Black Polymer
- FINISH TYPE: Black
- CAPACITY: 15
- SHIPPING WEIGHT: 0.21 lbs.
- ADDL INFO: 15rd Mag for Glock 31 357 Sig
- ADDL INFO: Blister Package
WARNINGCancer and Reproductive Harm
www.P65Warnings.ca.gov
