STARLINE Brass 40-65 (100pcs)

40-65 Brass (Large Rifle primer) 40-65 Win, 40-65 Winchester, .40-60 Marlin, .40-65 Marlin 2.097 - 2.104 O.A.L. This obsolete vintage cartridge was originally designed for use with both smokeless and black powder. Our case is properly sized to fit in even the tightest chambers*. Internal capacity is similar to that of Winchester brass. Wall thickness at mouth is .0095" average.