Lyman Double Cavity Cast Bullet Mould produces Lyman Pistol bullet #401654, .401" nominal diameter, 150 grain, Flat Nose bullet. Light weight 40 S&W bullet. Good accuracy. Lyman Top Punch #43, Item#LYM2786691. Approximate Bullet Dimensions: Bullet Length-0.55", Bullet Nose Length-0.26", Meplat-0.25".