P250 Compatible Frame with FCU Insert
This frame is compatible with the SIG P250 components. Download includes the frame and fire control unit. The FCU is not recommended for 3D printing, but the frame is acceptable for prints. SIG P250 can be chambered in .22 Long Rifle, .380 ACP, 9×19mm Parabellum, .357 SIG, .40 S&W, and .45 ACP.