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Malxwal

RS52 22-250

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Looking to try RS52 behind 55gr Sierra HPBT in 22-250. Can check Quikload, but have little trust now with it and Reload Swiss, so would appreciate anybodys real world experiences. Will be Lapua brass. 

 

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I've read, probably on here that RS52 is very similar to varget, not much help I'm afraid but a reference point

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Although they only list one 22-250 load, it is with RS52. Their own calibre comparability chart shows it as being ideal for the calibre, and their burn rate chart has it as an equal of N540, bit faster burning than Varget. 

I shall carry out due dilligence, start sensible and work up.

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Of not too significant importance to the OP but a friend uses RS52 in his 22BR with 69gr Sierra TMK's and produces very tight groups.

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Well, so far, 37.0gr behind 55gr Sierra HPBT at 2.350 OAL, produces zero pressure signs and 0.5moa groups. That was in virgin Lapua brass completely unprepped. Will try a few more at that, then use the once fired and then neck sized to do a bit more detailed load development. Not chasing lands, but will try and get the best out of what was a bargain old T3.

 

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Not going to bother pursuing this much further, although will have to confirm once brass sized. This is three shots, 100yds, load as above, shot with a head on quartering R to L breeze. The circle is drawn round a 10p. Apologies to those who prefer more technical stuff.

MSGR_PHOTO_FOR_UPLOAD_1534270355214.jpg_1534270357766.jpeg

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