Dr_Deer
(.300 member)
14/09/18 05:09 PM
Re: 7mm 140 gr Hydro-Solid .284" - Who has used these?

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I would have to confirm via my notes, but I'm getting somewhere between 2550 and 2700 with Barnes TSX 350gr bullets in the 458 Winchester

You should be able to get much more speed than 2300 with a 325 - that's if you have a proper 458 Winchester throat.

Or not.




It's a Blaser, not a Win Mag. Original factory load was 350g at 2000 for driven boar with the same recoil as a 9,3x62. 400g at 2100 could be considered hot rodding but it works

http://www.cartridgecollector.net/45-blaser-115-x-55




Interesting round. What is the case length? My 2" .458 did 2,150 easily with 400's along with 2,296 with with 350gr. and I actually got 2,060.ps with Win. 510's. The action was a VZ M98 with 22" bl.




55mm case and 72mm OAL - it was initially designed to feed through 7.62 Nato mags to get a large calibre suppressed police rifle tender that they didnt get, so the internet will have you believe. I view it as a 11,2x60 Schuler with easily obtainable bullets
Currently run 54.5g of 2207 under the 400g Woodleigh PP, only 350g I've tried is the 350g RN for the 450BPE and I cant seem to get anything earth shattering in speed or performance with either 2207 or 2219 (H322), 64g of the latter under a 325g Flex tip gives 2330fps



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