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Edward429451 · August 14, 2012, 10:21 AM

I can't get any measurements below .065 on my acp cylinder. I used a dial caliper and tried front and back...

I have read in a couple places that 460 R is not different than acp except for length also. I have no 460 brass to weigh, but I do have 45 Super and acp brass. I find that PMC brass is as heavy or heavier than Super brass anyway and with outside dimensions being the same, the web must have the extra brass in it. Seating depths are the same with acp & 460R also so that's a plus.

I'm only trying to reach 1000 or 1050 with 255 gr SWCs, and perhaps 1100 with a 200, so that's probably about a 460 starting load I think. I am not trying to reach even close to a 460 max velocity. I appreciate all you guys input!

August 14, 2012, 10:21 AM	#10
Edward429451 Junior member Join Date: November 12, 2000 Location: Colorado Springs, Colorado Posts: 9,494	I can't get any measurements below .065 on my acp cylinder. I used a dial caliper and tried front and back... I have read in a couple places that 460 R is not different than acp except for length also. I have no 460 brass to weigh, but I do have 45 Super and acp brass. I find that PMC brass is as heavy or heavier than Super brass anyway and with outside dimensions being the same, the web must have the extra brass in it. Seating depths are the same with acp & 460R also so that's a plus. I'm only trying to reach 1000 or 1050 with 255 gr SWCs, and perhaps 1100 with a 200, so that's probably about a 460 starting load I think. I am not trying to reach even close to a 460 max velocity. I appreciate all you guys input!