Question about COL?

msta999 · July 25, 2009, 12:23 AM

I'm reloading 45 acp HP and RN (230 gr)for the first time. Been doing 45 colts for awhile, but acp is new to me. My question is, the Hodgdon web site states 1.20 col for both, which is what I used, but that seemed a little deep......to me.?!? So (after I finished loading all my brass) I checked the factory loads I have and found the HP 230 gr is 1.236 and the RN 230 is 1.264. Then I checked my Hornady book and it says to use 1.230 for both?? Since the depth affects pressure, should I just go with the powder manufacturer?

FYI, I'm using clays powder (3.8-4.0 grain) and a mix of brass.

Notenoughguns · July 25, 2009, 12:27 AM

My LEE book says 1.275"

msta999 · July 25, 2009, 12:49 AM

Thanks.

Do you think 1.20 will be a problem?

msta999 · July 25, 2009, 02:56 PM

Just got back from trying out my new loads, all worked great, no problems. I did notice the rounds with the col of 1.25 were not as loud as the rounds at 1.20 col. but all worked good. Also, they are not as hot as the +P's I have fired in my Ruger, so I guess there are no over pressure problems.

July 25, 2009, 12:23 AM	#1
msta999 Senior Member Join Date: June 7, 2009 Location: Western, WA Posts: 123	Question about COL? I'm reloading 45 acp HP and RN (230 gr)for the first time. Been doing 45 colts for awhile, but acp is new to me. My question is, the Hodgdon web site states 1.20 col for both, which is what I used, but that seemed a little deep......to me.?!? So (after I finished loading all my brass) I checked the factory loads I have and found the HP 230 gr is 1.236 and the RN 230 is 1.264. Then I checked my Hornady book and it says to use 1.230 for both?? Since the depth affects pressure, should I just go with the powder manufacturer? FYI, I'm using clays powder (3.8-4.0 grain) and a mix of brass. Last edited by msta999; July 25, 2009 at 12:28 AM.

July 25, 2009, 12:27 AM	#2
Notenoughguns Member Join Date: December 14, 2008 Location: Kommiefornia Posts: 80	My LEE book says 1.275"

July 25, 2009, 12:49 AM	#3
msta999 Senior Member Join Date: June 7, 2009 Location: Western, WA Posts: 123	Thanks. Do you think 1.20 will be a problem?

July 25, 2009, 02:56 PM	#4
msta999 Senior Member Join Date: June 7, 2009 Location: Western, WA Posts: 123	Just got back from trying out my new loads, all worked great, no problems. I did notice the rounds with the col of 1.25 were not as loud as the rounds at 1.20 col. but all worked good. Also, they are not as hot as the +P's I have fired in my Ruger, so I guess there are no over pressure problems.