Unique with Hornady 250 xtp in 45 colt

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Wendyj

New member
I've got 4 manuals and have been on line and can't find a recipe for unique in my Rossi 45 colt using the 250 xtp. I've loaded 260 and 290 cast with it but don't want to mess up on these. I can use Titegroup or HP 38 if nothing listed for unique. Hoping someone has manual or more info than I can find.
 
From hornady 9th
45 colt revolver
Test used 7 1/2" barrel blackhawk win lp primer hornady case COL 1.595
250 xtp, unique
Charge wt (velocity)
6.2(600) 6.5 (650) 6.8(700) 7.1 (750) max 7.4 (800)

Thompson center or ruger blackhawk data section availible.
250 xtp listed but powders are vv 105, aa #9, alliant 2400, aa 5744, imr 4227.
They are velocities in 1150-1350 ranges.
 
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Lee 2nd
250 xtp/unique
6.9(749) max 7.8 (840)

Lyman 49
250 xtp/unique
1.590 oal
Win cases, win lp primers
7.8 (755) max 8.7 (877)

Lee and lyman don't list what test was.
I didn't give any data from ruger only, freedom arms, etc.
It is quite warm.
I don't load 45 colt, so I can't help much.
 
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I did find it in Hornady 9th. 7.3 was max. I'm still curious if I can load the Rossi hotter since it's a rifle. For now better safe than sorry.
 
LYMAN 50th Manual.
45 Colt pistol----Win case----Win LP primer---250 gr. XTP---oal 1.590"
Unique powder---start 7.8---755 fps---maximum 8.7--877 fps
tested in universal receiver and Ruger Blackhawk 7 1/2" barrel
Just for comparison as this data is above Hornady's
 
Your Rossi '92 will most assuredly handle heavy "Ruger only" loads.:D
If your Rossi will feed it, you may find the RCBS 270-SAA to be a very accurate bullet.
 
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I've got a friend on here that cast some 290 grain swc. Lyman mold I think. It really likes them. I'm just saving them for hunting. I had a box of the xtp I bought when I first got vaquero.
 
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