.257 Bee and Retumbo

Looking for a staring load for the 135gr Berger. Any info much appreciated
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I have a 1:7.5 twist, 27" tube. Gun shoots lights out with everything. I have tried RL33, RL25, and H1000 and ran them all up to max load. All shoot 1/2 MOA or better. The best speed I have is with 73.2gr R33 @ 3230fps. The E.S is horrid, so I am just trying to play with some other powders. The E.S on the H1000 is great, but only getting 3190FPS. I really want to approach the 3300FPS mark if possible and keep the E.S 25FPS or less. Not going to shoot at game much over 1000yds, so I am good with that. I am also going to be trying RL26. I will report back with speeds and E.S
 
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That is absolutely funny. You can't determine velocity like that lol. Your research is scrap. Lmao a stopwatch
 

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