The Firing Line Forums - View Single Post

DBotkin · May 16, 2007, 05:59 PM

Sigh... now ya made me actually drag out the book and calipers, instead of just sittin' here on my lazy butt trying to remember the details.

Lyman 48th edition gives the max OAL with a 55 gr. V-Max at 2.345", which is exactly where I'm at now. The load is 38 grains of H380. I am 100% sure the loads are SAFE as-is, just maybe not quite as accurate as they could be.

My check of the rifle using a split case & the same bullet indicates I'm bumping the lands at 2.506". The old loads were 2.439" OAL, but then we were using a different powder & bullet then - 30.5 grains of 3031 with 52 gr. match BTHP. Earlier loads were done with 38.5 gr. of IMR-4350.

I think I'm just going to leave well enough alone for now. They'll shoot within 1" at 100 yards they way they are; I don't know if that rifle CAN do worse than that. Good enough for now; if & when I get some serious range time, I'll do some comparisons to see how much difference it actually makes whether they're seated in or out.

May 16, 2007, 05:59 PM	#5
DBotkin Senior Member Join Date: December 14, 2006 Location: Omaha, NE Posts: 302	Sigh... now ya made me actually drag out the book and calipers, instead of just sittin' here on my lazy butt trying to remember the details. Lyman 48th edition gives the max OAL with a 55 gr. V-Max at 2.345", which is exactly where I'm at now. The load is 38 grains of H380. I am 100% sure the loads are SAFE as-is, just maybe not quite as accurate as they could be. My check of the rifle using a split case & the same bullet indicates I'm bumping the lands at 2.506". The old loads were 2.439" OAL, but then we were using a different powder & bullet then - 30.5 grains of 3031 with 52 gr. match BTHP. Earlier loads were done with 38.5 gr. of IMR-4350. I think I'm just going to leave well enough alone for now. They'll shoot within 1" at 100 yards they way they are; I don't know if that rifle CAN do worse than that. Good enough for now; if & when I get some serious range time, I'll do some comparisons to see how much difference it actually makes whether they're seated in or out.