Glock G33 357 Sig OEM Magazine - 9 Round (Black Polymer)

Built to handle the powerful .357 SIG round, this factory 9-round magazine for the Glock G33 offers the reliability and durability you expect from OEM Glock gear. Constructed with a tough polymer body, full-length steel inserts, and numbered witness holes, it’s engineered to fit flush and perform flawlessly in Gen 3, 4, and 5 Glock 33 pistols.

• Glock G33 .357 SIG OEM Magazine – 9 Round (Black Polymer)
  
  

• Fits Gen 3, Gen 4, and Gen 5 Glock 33 pistols
  
  

• Full-length steel inserts for added strength
  
  

• Numbered witness holes for easy round tracking
  
  

• Durable polymer body built to endure tough conditions
  
  

These factory mags are known for their strong spring tension, which may feel stiff during initial use. After a few load/unload cycles, the spring softens slightly for easier handling—without compromising reliability. Whether you're training, carrying, or adding backups to your setup, this Glock magazine is built to keep your .357 SIG running strong.

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