Getting the bullet aligned with the case before seating will cause it to seat straight. It's an extra step, but the Multi-expander is a powder-through die, so you can use it with a powder funnel to dispense charges in the cases. This will work with 0.311" and 0.312" bullets to create the step at the end of the case that lines bullets up with the case before they go into the seating die. 32 is 0.310" and 0.313" for the narrow tip and the wide part of the expander just before the flare. Having confirmed the groove match to 32 Auto, I checked my Lyman Multi-expander die inserts, and the one for. This assumes you can make a bullet swell and fill out the grooves evenly between the lands, which some jacketed bullets will come close to doing, but not lead and, even for jacketed bullets, they typically shoot better at groove diameter. barrel configuration, the cross-sectional areas are equal to those of 0.308" and 0.309" bullets, respectively. 32 Automatic (aka 32 ACP and 7.65 Browning), but the bore diameter is smaller at 7.62 mm where the U.S. The reason I looked more closely is the 7.62×25 groove diameter is the same as the U.S. But, again, slug the bore rather than go by drawings for this. 308 rifle is shown with F=7.62, but F=7.82 (.308"), so it seems the rifling is just deeper on the standard spec and you might want lead bullets in. It shows the bore diameter (F) as 7.62 mm (0.300") and the groove diameter (Z) as 7.92 mm (0.312").
0 Comments
Leave a Reply. |