Caldwell Lead Sled DFT With Sp The Lead Sled DFT 2 (Dual-Frame Technology) has been re-designed to provide shooters with the industry's best reduction system and the versatility to fit virtually any shotgun or rifle, all build around a precision shooting platform. Whether you are trying to shoot the very tightest possible groups with your rifle or patterning your favorite shotgun, the Lead Sled DFT 2 provides an optimal platform for shooting without the negative effects of recoil This listing comes with the led sled and a pair of Smith and Wesson M&P Earmuffs.