SuperCell technology is the product of 10 years" rigorous R&D by the top recoil-suppression experts in the industry. Using a complex matrix of millions of SuperCells, this advanced polymer construction harnesses and releases energy over a much longer time period. Rearward force of your gun is reduced from a kick to a gentle push and muzzle travel is diminished, resulting in the softest shooting experience possible. All from a pad that"s extremely lightweight, durable and enhanced with a smooth surface for rapid gun mounting.- Absorbs force more efficiently than any pad in the world. Kick is reduced to a gentle push.- Lightweight and tough, enhanced with a smooth surface for rapid gun mounting.- A complex matrix of SuperCells instantly soak up and redistribute energy over a longer time frame.- Fits: Models 870, and 1100, and any wood stock compatible with the R3 recoil pad- Butt Plate Length: 4.625 (4 5/8)