Sig Sauer P320/M17/M18 9mm Luger 21rd Extended Handgun Magazine, Coyote/Black - MAG-MOD-F-9-21-COY

This is a 21-round extended magazine for the Sig Sauer P320, M17, and M18 full-size pistols in 9mm Luger. Constructed from steel with a black oxide finish and coyote brown base plate, it offers increased capacity for extended shooting sessions. Dimensions are approximately 9.5" length x 4.2" width x 1.9" height.