I prefer TAC over anything else I have tried in small cases. I won a BR match with it a few years ago. If you keep it hot, it burns very clean. I have had great luck with it in 22-250 with 40 grain bullets and .222 with 40 and 50 grain bullets. That pretty well splits it. Xterminator is definitely faster than TAC.

I have never loaded TAC for a gas gun but have for a bolt .223 and it didn't disappoint. Wasn't loading heavy bullets though. I think I was running around 28.5 with the 40s and 27.5 with the 50s. This stuff is money! It is way better than 748.

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Those who live by the sword get shot by those who don't.