Factory-built 15-round magazine for the SIG SAUER P320 pistols chambered in 10mm Auto. Full-size models only. The actual magazine may differ slightly from the image pictured. Product Features Factory-Made SigSauer Magazine Heat-treated carbon steel body High-impact polymer floorplate Witness Holes on rear of magazine Product Specifications Manufacturer: SigSauer Model: P320 Full-Size Caliber: 10mm Auto Magazine Capacity: 15-Rds Additional Features: Black Finish