Product Features & Specifications Glock MF08820 G33 357 Sig 11rd Black Detachable Glock 33, 357 Sig, 11rd magazine. Brand Glock Model G33 Caliber 357 Sig Firearm Fit Glock 33 Capacity 11rd Color Black Material Polymer Max Capacity 11 SKU MF08820 UPC 764503088209