The Glock G33 .357 SIG Magazine is a factory OEM double-stack magazine designed specifically for the Glock 33 subcompact model, also compatible with Glock 31 and 32. It securely holds 9 rounds of .357 SIG in standard configuration, with optional extended capacities using aftermarket baseplates or magazines from G32/G31 (up to 15 or 16 rounds). Constructed with a sturdy steel insert encased in polymer, it includes witness holes for round count visibility and a reliable factory follower and spring assembly for consistent feeding.
FEATURES
TECHNICAL DATA
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
FEATURES
- Caliber: .357 SIG
- Capacity: Standard 9 rounds (Glock G33 OEM); higher capacities (13, 15, 16) possible with G32/G31 mags or +1 baseplates.
- Construction: Metal spine with durable polymer body; double-stack design; visual indicator windows.
- Compatibility: Made for Glock 33; also compatible (feed reliably) in Glock 31, 32, and many .40 S&W models; however Glock .357 SIG‑specific magazines include internal guide ribs that improve feeding of the necked-down round and may not fully support .40 S&W rounds.
TECHNICAL DATA
- FAMILY: G33 Series
- MODEL: G33 Magazine
- TYPE: Accessory-Magazines
- ITEM GROUP: Handgun Magazines
- CALIBER/GAUGE: 357 Sig
- FINISH: Black Polymer
- FINISH TYPE: Black
- CAPACITY: 9
- SHIPPING WEIGHT: 0.16 lbs.
- ADDL INFO: Magazine for Glock 33 357 Sig
Cancer and Reproductive Harm
www.P65Warnings.ca.gov