Lee 310 Cadet Steel 3-Die Set. Includes Full Length Sizing Die, Powder Through Expanding Die, Bullet Seating Die, Universal Shell Holder, Powder Dipper and Instructions. Load data is not available for this cartridge. Please contact your favorite powder manufacturer for data.
This rifle has a bore size of . 310" and a groove diameter of . 316” for rifling in barrel. Our sizing die is designed to shoot non-healed, modern jacketed bullets.