HornadyA(R) lead pistol bullets are pre-lubricated and cold-swaged for total uniformity and balance. HornadyA(R) exclusive knurling system retains lubricant over the entire bearing surface to reduce leading in HornadyA(R) barrel. For cowboy shooters, authenticity is a strict requirement. That's why Hornady build HornadyA(R) Cowboy(TM) bullets to SASS (Single Action Shooting Society) specifications while holding them to the same stringent production standards as all HornadyA(R) products. PRODUCT FEATURES CLASSIC & CONVENTIONAL DESIGN Traditional conical and flat designs have perfect symmetry when combined with knurling at the base of the bullet, which del Mfg: Hornady