Kit #13 consists of 50 coil-type shotgun hammer springs designed for general purpose repairs. There are 10 spring designs, 5 of each are supplied. Springs are made from heavy round section wires and vary from 2 to 4 inches in length. Sufficient variations and strengths are included to handle most repairs for automatics, double barrels, pumps, over & unders and single barrel shotguns. Fitting of springs is required.

Blitzpak #13 consists of a total of 10 springs, 1 of each design as described in Kit #13 above.