The Lead Sled DFT (Dual-Frame Technology) features dual frame design that disperses recoil energy even better than the original Lead Sled. Dual frame alignment system adjusts 22" to fit rifles and shotguns of virtually any size. Extremely fine windage and elevation adjustments with finger tip control. Improved weight dispersion through our unique baffle and tray system. Multi-surface rear foot provides correct contact on all shooting surfaces.