boomer68
Handloader
- Oct 23, 2006
- 862
- 59
Got out to the range yesterday and wanted to try out the 180gr PT in my T3. Seems it likes them
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Vince":33he9uwz said:I run 57.0 grains of IMR 4350 with the 180 grain Barnes TTSX for 2724 fps.
I just switched to the new IMR 4451. I haven't chronographed it yet but I should be getting around 2670 fps with 54 grains of powder. I'm not showing pressure signs and the load is more accurate at 200 meters than my 4350 load. 2" versus 1.6" at 200 meters. At 100 meters the 4350 load puts three shots under a dime. Sadly that load doesn't hold together at longer ranges.
I'll retest the 4451 load and chronograph it in the next week or two. I'm wanting a more temperature stable powder than the IMR 4350 and the IMR 4451 looks to be it.
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