SAECO Single Cavity Cast Bullet Mould for a .375" nominal diameter, 260 grain, Flat Nose obsolete caliber bullet. SAECO does not make a top punch for this bullet and recommends pan lubing. Per SAECO, this is an obsolete caliber cylindrical bullet, similar to original factory bullets for most black powder cartridges. The diameter at the front band is the same diameter at the base band. Comes with rounded lube grooves. Approximate Bullet Dimensions: Bullet Length-.992"; Bottom of Crimp Groove to Bullet Nose-.394"; Meplat-.245".