Originally Posted by
JIMinPHX
You might want to try the 225415 with the front lube groove empty & exposed above the case neck. I find that with a good lube, like Lyman Super Moly, I only need to lube the rear groove on that boolit.
I also find that the smaller diameter boolits are more sensitive to being seated out near the rifling than the bigger boolits are. In general, accuracy seems best below 2500fps. Some people say that the faster twists limit that to an even lower speed. I'm loading for a single shot. I don't know how much umph you need to cycle an AR.