Decreased Weight & Reduced Lock Time
7075 aluminum shank with a heat-treated stainless steel pin decreases lock times by 36-38% compared to standard, steel firing pin. Long action firing pin is 328 grains (56% lighter than factory); short action weighs 289 grains (55% lighter than factory). Includes tight-fitting steel spring that won’t rub inside the bolt body and reduces wear and binding.
Big Book Catalog, Issue:70, Page:157
SPECS: 7075 aluminum shank, heat-treated stainless steel pin,
polished natural finish, steel spring. Long Action Firing Pin – 6.8"
(17.8) long; Short Action Firing Pin – 6.1" (15.4cm).