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benny
.224 member

Reged: 11/03/06
Posts: 33
Loc: PA, USA

A-Frame in 7x57?
#71596 - 16/02/07 02:06 AM

Hello,

I was thinking of trying out some up close heavy loads for my 7x57 No 1 RSI, and I was wondering if the 175gr Swift A-Frame will expand at 7x57 velocities? The velocities I have seen listed are about 2400-2490 for this bullet, but subtract a few fps for the 20" barrel. Obviously I'm only concerned about shots out to about 150yds with this load. Any experience is appreciated.

Also going to try the north fork 160gr for an all-arounder.

Thanks,

benny

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DarylS
.700 member

Reged: 10/08/05
Posts: 26593
Loc: Beautiful British Columbia, Ca...

Re: A-Frame in 7x57? [Re: benny]
#71606 - 16/02/07 03:58 AM

; You will find good penetration and expansion from the copper jacketed bullets at the vleocities you'll be getting.
: I expect with top loads, your 20" barrel will put the 175gr. out at 2,500fps - no flies on that one. Try Reloader 22, IMR 4831 and H4831. I had that data handy a while back, but since the move, it's disppeared.
: Probably a better heavy bullet is the 160gr. in premium bullets. You can add another 100fps to that one - for just over 2,600fps in the 20".

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

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