This is the Checkmate 2011 9mm 126mm 17-round magazine. Compatible with Staccato 2011 and Springfield 1911 DS Prodigy pistols.

Featuring a stainless steel body and precision-engineered feed lips, this will reliably feed your 2011 pistol for years to come. No need to worry when dropping it during a mag reload, its polymer basepad will absorb the impact without damaging the magazine.