X-Grip - 1911c1 Officers - One Piece
Converts full size 1911 Govt 8rd. or 7rd flat steel floorplate magazine to fit an Officer's Model pistol. Extends the grips slightly and increases capacity on compact, Officer's Model type 1911's. Works only with the welded metal floorplate, military style magazines. No tools required.
Kimber KimPro Tac-Mag 1911 Govt, Commander .45 8RD Stainless Steel Magazine