RCBS 2 Cavity Cast Bullet Mould #57946, .406" nominal diameter, 320 grain, Flat Nose bullet, designation 41-300-FN. Top Punch #580. This bullet will typically weigh about 320 grains when cast from a 20-1 alloy. A very good choice for original 40-70ss when sized to .403" and for the 40-70 Winchester Model 1886 or anything else that calls for this size and weight bullet. Approximate Bullet Dimensions: Bullet Length-1.01", Nose Length-0.45", Meplat-0.29".
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