Update:
I shot some 50 TNT groups last weekend, 26.0 gr TAC in Rem once-fired brass, neck sized only. Four different bullet jumps: .010, .025, .040, .055. The load is apparently light as there was significant primer protrusion and no signs of pressure on the case head. And shooting them, they...
The 40-grain BT and H322 at or near max load with bullet seated out near lands work great in my stock Rem 700 VS. (There is not a lot of neck engagement in my loads, and of course you should experiment with best bullet jump in your gun.) I have one souvenir 200-yd target, 4 shots into a perfect...
Well, what do you know? Nosler's latest manual lists max load at 27.0 gr TAC behind 50-gr BT.
Sooo ... Since this is the Nosler site, kind of have to defer to Nosler's data, right? :shock: That makes 25.0 grains my starting charge, not my max charge (as Ramshot now publishes.)
Incidentally...
Sure, but 2 full grains difference in a 223 more than just raises an eyebrow. That's a full 8% difference. If different powder lots vary that much, I would find that alarming. I've been reloading a long time, and I've never heard of such a variation between lots. That is the one thing all powder...
I have Ramshot TAC powder published load data from both 2009 and 2012 (ver 4.5) and noticed a big change in 223 Rem. 50-grain bullet data.
In 2009 they published Nosler 50-gr BT max load at 27.0 grs (3448 fps @54961 psi.)
Now in 2012 they omit the Nosler BT but do list the Hornady 50-gr V-max...