Originally developed around the year 2000 for a United States Secret Service contract, the USSS Model 870 is a factory original short barreled shotgun, with a tritium bead and ghost ring sight set protected by heavy steel wings, an improved cylinder choke, 3 inch magnum chamber, and a Wilson Combat combination tube extension and hand protector on the magazine. Equipped with a Speed Feed shell carrier buttstock, 13 1/2 inch length of pull, with the matching numbered factory box.