Modern reproduction frame, following the same specifications as John Browning's original design. Utilizing modern metallurgy, while maintaining the classic contours of the Classic 1911, these frames are the perfect platform for a new build. Original contours are adhered to, ensuring the closest match to the original frame as possible. Classic Frames are available in Carbon (CS). Frames on non-ramped and gunsmith fit is recommended. Mfg: Caspian SPECS: 4140 carbon steel (CS), in-the- white. Gunsmith fitting required. F FL required for purchase.