SIG SAUER Segmented Vertical Grips 8501727-R. Length - (measured from bottom hand guard to bottom of grip)Long: 4-1/2''Short: 3''Model: SIGM400 / TREAD / SIG516 / SIG516G2 / SIG716 / SIG716G2 / SIG MCX Specifications for SIG SAUER Segmented Vertical...