SAECO Double Cavity Cast Bullet Mould for a .428" nominal diameter, 200 grain, Flat Nose bullet, SAECO bullet #444, a good 44-40 (44 WCF) caliber bullet. Use SAECO Top Punch #SAE44191. APPROXIMATE Bullet Dimensions: Bullet Length-0.59; Meplat-0.317"; Bottom of Crimp Groove to Bullet Nose-0.29".