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Hodgdon H335 vs. Ramshot TAC
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I just wanted to clarify...."both temperature sensitive" or "insensitive"....
I've read that some people have disassembled Black Hills match 223 and the powder looked very much like TAC....
Just wanted to clarify which you meant.
Thx!Comment
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No. Its not for extreme temps. I've had loads with some Accurate powders that were safe at 40 degrees and blowing primers at 90 degrees.
I've even had times with some powders where, depending on how long I left the round in a hot chamber before I fired it, velocity was drastically affected. Enough to cause a miss high/low on 800 yard targets.
As long as you keep your charges in the medium range, and don't expect too much long range accuracy, temp sensitive powders are good to go. I've got tons of "data" powders for blasting ammo and it works just fine for its purpose. One just needs to know what to expect.GAP Team Shooter 5Comment
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ive shot both without any detailed shooting, both shoot.2 HANDGUNS STOLEN! 1 RECOVERED READ HERE
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http://www.calguns.net/calgunforum/s...d.php?t=202581Comment
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I use Tac and am happy with it. 25.5 grains for 55gr bullets and I cant remember off the top of my head for the heavier bullets.
Brandon M.Comment
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Yes, I think the sensitivity issue is more of a problem for long-range competition shooters who are pushing heavy high-BC bullets at maximum pressures and velocities. For them, the changes even small are critical. They may be as small a problem as dropping 1 or 2 points, or as severe as ugly pressure signs or worse raising their head. They are running things on the fringe (and sometimes beyond) the cartridge design parameters....Comment
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I was using DP74 (like Accurate 2520) powder with 155 Amaxes in 308. It was a medium-warm load. Spread of 120+ fps when I let the round sit in a hot chamber for about 30 seconds vs. just a few. It was bad. Caused vertical stringing at 800 the full height of an IPSC steel. Even got over 3000 fps with that bullet/powder combo by accident on a hot day.Yes, I think the sensitivity issue is more of a problem for long-range competition shooters who are pushing heavy high-BC bullets at maximum pressures and velocities. For them, the changes even small are critical. They may be as small a problem as dropping 1 or 2 points, or as severe as ugly pressure signs or worse raising their head. They are running things on the fringe (and sometimes beyond) the cartridge design parameters....
As long as you're not running max loads, its not a big deal. I burn DP68, DP73, 2230-c, H335 etc. by the keg behind 55 gr fmj's. They all work for their purpose. Just be aware when running hot loads.GAP Team Shooter 5Comment
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