This grips fits the below "D" frame revolvers that are made after 1966.

Steel Frame Revolvers (Serial #D900101 and above)

 • Colt Detective Special

 • Diamondback

 • DSII

 • Lady Special

 • Magnum carry

 • Police Positive Special

 • SF-VI

Lightweight Aluminum Frame Revolvers (Serial #200101LW and above)

 • Agent

 • Cobra

 • King Cobra

 • Viper

Will NOT fit pre-1966 models with longer grip frame that has rounded bottom corners. Verify your frame by measuring distance from rear sideplate screw to grip stock-pin. Older/longer frame is approx. 3 1/4", while the newer/short frame is approx. 2 5/8".