Glock G33 9-Round .357 SIG Polymer Magazine

Glock G33 9‑Round Magazine — detachable magazine for the Glock 33. It stores and presents .357 SIG cartridges for loading into the firearm’s action.

This factory Glock replacement magazine provides a straightforward means to carry additional rounds for a Glock 33 in .357 SIG. Designed as a drop‑free detachable magazine, it supplies rounds to the firearm and is intended for use in compatible Glock models chambered in .357 SIG. The magazine is offered as a single unit and is finished in black.

• Capacity: 9 rounds (9)
• Caliber: .357 SIG
• Model fit: G33 / Glock 33
• Material: Polymer body with a hardened steel insert encased in polymer
• Finish / Color: Black
• Design: Drop‑free detachable magazine
• Quantity: 1 magazine per package
• Dimensions (as provided): 1.35 x 4.10 x 8.45
• Manufacturer guidance: New Glock magazines can be stiff to load initially; cycling and a short break‑in period can ease loading of the final round.

Specifications & Construction

The magazine uses a polymer exterior that encases a hardened steel internal insert to resist deformation. The black polymer finish covers the body. Exact weight is not provided in the supplied data. Dimensions are listed as 1.35 x 4.10 x 8.45 (units not specified in source data).

Compatibility & Intended Use

Compatible with Glock 33 (G33) pistols chambered in .357 SIG. Typical use cases include range feeding, spare or replacement magazine for duty or practice, and general purpose carry as part of a firearm’s magazine rotation. Intended to function as a factory-fit detachable magazine for the specified Glock model.