Velocity of 2 .44 Special Loads from 4 Barrel Lengths

[Silver Jack Hammer]

Today at the range I chronographed 7.5 gr of SR7625 and 5.2 gr of Bullseye with 429667 WW alloy, Alox, .430" through a 3" Charter Arms, a 4 3/4" Colt SAA a 7 1/2" Colt SAA and a 19" Uberti '73 Carbine. Heres the results:

7.5 gr SR 7625
3" 795 fps, 4 3/4" 827 fps, 7 1/2" 858 fps and 19" 1,104 fps

5.2 gr Bullseye
3" 757 fps, 4 3/4" 782 fps, 7 1/2" 812 fps, 19" 1,130 fps

[rintinglen]

Interesting. How Many shots for each barrel length and load?

[Silver Jack Hammer]

I fired 5 shots from each firearm with each load. I just add up the five velocities and divide by 5 for an average. Not standard deviation but if a load shows eratic velocities I abandon it, these are pretty good loads for me in my .44 Specials. I was glad to finish the 5 from that Bulldog.

[cbrick]

Why abandon the odd velocity? It could very well be telling you something about the loads consistency, one of the main reasons for using the chronograph.

Rick

[Silver Jack Hammer]

I'm not abandoning the odd velocity, if I'm getting irratic velocities I abandon the load. Either change the charge or use a different powder which shows consistency. These loads have been working for me for a long time. The 5.2 gr of Bullseye is my favorite.

[cbrick]

I'm not abandoning the odd velocity, if I'm getting irratic velocities I abandon the load. Either change the charge or use a different powder which shows consistency. These loads have been working for me for a long time. The 5.2 gr of Bullseye is my favorite.

Ah . . . I read it wrong, sorry. I re-read it and see the error of my ways.

Rick