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Old November 3, 2011, 08:14 PM   #4
Slamfire
Senior Member
 
Join Date: May 27, 2007
Posts: 5,261
In my opinion, Bullseye and a 230 Round Nose. Primers make a difference in velocity, but over my screens, changes in powder charges made greater velocity changes.

The 230 Round Nose bullet will feed through anything, is very forgiving in seating depth. I have shot tens of thousands of 230 LRN and I have transitioning over to Bullseye. Bullseye was the original powder used in the 1910 vintage experimental loads and was the powder used by the military in WWI and possibly WWII. You won’t go wrong with Bullseye. You just have to check for double charges in your loading block.

One of these days I will have chronograph data with Bullseye and 230 FMJ’s, I have been told the ball equivalent is 5.0 grains with a 230 FMJ. Can’t verify that.

I like my 230’s to be clocking just at 800 fps in my 5” barreled M1911’s. That is the 1910 spec value incidentally. Your short barrel pistol will push them out slower, maybe 700 fps for the same load. This is a limitation of shorter barrels.

My data shows that with three different lots, extending from the 60’s to 2005, 4.5 grains Bullseye gives just at 800 fps with my 230 LRN bullets.

I would recommend going with the 230's first, gain confidence in your reloading skills before going to 200's, 185's, etc.

Code:
Kimber Custom Classic 
		


230 gr LRN Valiant 4.5 grs Bullseye lot BE532 (80's mfgr)  Mixed Brass WLP (brass) OAL 1.250" taper crimp .469"
16-May-09  high 83  °F	 
					
Ave Vel =	782.7				
Std Dev =	13.41				
ES =	52.05				
High = 	815.5				
Low =	763.4				
N =	28				
					
					
230 gr LRN Valiant 4.5 grs Bullseye 99' & 2005 mixed lot Mixed Brass WLP (brass) OAL 1.250"  taper crimp469"
16-May-09  high 83  °F	.
					
Ave Vel =	805.2				
Std Dev =	38.07				
ES =	136.9				
High = 	912.4				
Low =	775.5				
N =	24				
					




230 gr LRN Valiant 4.5 grs Bullseye lot 827 (60's/70's powder) Mixed Brass WLP (brass) OAL 1.250" taper crimp .469"
16-May-09	 high 83  °F	
					
Ave Vel =	822.9				
Std Dev =	14.14				
ES =	55.24				
High = 	853.7				
Low =	798.4				
N =26
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