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243 AI 75gr vmax loads

 
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  #8  
Old 04-04-2010, 04:31 PM
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Location: s.e. Pa.
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Re: 243 AI 75gr vmax loads

I am just about to get my 26" 8twist Brux 243AI, and am wanting to develop a midrange varmint load for it(midrange meaning out to 500 yds, even though Ill probably end up shooting it farther). I have a bunch of 87gr vmax that I shoot out of my 6br and was figuring on trying those, but now you guys got me thinking about using the 75gr vmax.

Anyone try either the 75gr or 87gr vmax or the 80gr Berger with Varget or RL15 or 19? Just wonderin as thats where I was headin.

Man JLR those 62's are screamin!!!!!!!!! Surprised they stay together with the fast twist. Might have to try those to see how the splat factor is on some prarie dogs this fall.
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  #9  
Old 04-06-2010, 01:31 PM
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Re: 243 AI 75gr vmax loads

Quote:
Originally Posted by pdog06 View Post
Anyone try either the 75gr or 87gr vmax or the 80gr Berger with Varget or RL15 or 19? Just wonderin as thats where I was headin.
Well I'm new so keep that in mind but..... I've been shooting the 75 gr V-max's with Varget (38 gr/CCI primers/2.6" OAL (this gives me ~1 caliber worth of bullet in the neck)/Rem brass/Lee collett neck sized to 0.002" smaller than loaded neck OD) from my plain .243 Rem 700 SPS Varmint and it's under 1moa (usually ~.75) at 100 yards. The 87's I have been shooting with IMR 4350 (40.1 gr/CCI/2.7"/Rem brass/Neck sized) for an easy .75 moa at 100 yards. They've been about the best loads I've had so far.

I have some RL-15 but never tried it with these bullets.

My groups usually have some flyers and I always include them in the measuring.
That is to say I think they could do better with a better shooter.
I think the flyers are my shooting and/or reloading because I often get three or four touching each other in a clump and the other one or two 1/2 to 3/4 inches away, frequently with the flyers right on top of each other too like I had two distinct POI's. I guess I'm not very consistent with how I hold the rifle but we (the rifle and I) are a work in progress.

Cheers, John

Last edited by John_from_Sudbury; 04-06-2010 at 01:42 PM. Reason: Add in the yardage it was shot at
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  #10  
Old 04-06-2010, 07:56 PM
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Re: 243 AI 75gr vmax loads

thanks for the info. The barrel should be here tomorrow, so I need to get me some dies ordered soon so I can go play.
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  #11  
Old 04-07-2010, 07:54 PM
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Re: 243 AI 75gr vmax loads

50 grains of H-414 gets 3860 fps very accurately in mine with a 28" barrel.
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Old 05-25-2010, 10:40 AM
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Re: 243 AI 75gr vmax loads

What has everyone found for the cleanest powder, I like Varget and RL-15 isn't bad, we use moly bullets and don't clean very often. I have gone 500 rounds without cleaning during a three day shoot, I have gone 750 rounds in my 22-250 without cleaning......don't have time when there are dogs to flip, splat, and explode................

30gr V-Max with 51 grs Varget and 1-8 twist explode at 70 yds in the air............40gr V-Max would hold together and hit dogs at 600yds. I normally shoot 44.5 grs Varget with the 75gr V-Max for extended shooting to keep barrel temps down................with max loads in the 47.8 gr area barrel is super heated after 3-4 shots and needs cooling time. Last year we used towels dipped in ice water to cool barrels down.
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