Flat Blue	Arched Stainless     SA-100F-xx* Smith & Alexander mag well/MSH, flat, blue $79.95 SA-100FSS-xx* Smith & Alexander mag well/MSH, flat, stainless $79.95 SA-100A-xx* Smith & Alexander mag well/MSH, arched, blue $79.95 SA-100ASS-xx* Smith & Alexander mag well/MSH, arched, stainless $79.95 Photo of installed guide - click to enlarge
xx* Specify: (GM) = 5" Gov't , or, (OM) = Colt Officer's, Colt Compact, Springfield Ultra Compact or Para P12.

Drop-in, one-piece mag well and mainspring housing makes the mag well opening 100% bigger for easier magazine insertion and faster,
“can’t-miss” mag changes. Increases grip length by ¼". Checkered 20 Lines Per Inch. Fits 1911 style pistols.