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Shooting & Reloading - Mausers, Big Bores and others >> Rifles

DarylS
.700 member

Reged: 10/08/05
Posts: 27093
Loc: Beautiful British Columbia, Ca...

Re: Is 257 Roberts AI that much better than the +P loads?
22/04/10 02:28 AM

My .257 AckImp delivered exceptional accuracy from it's 26" Shilen barrel using bullets from 75gr. to 120gr. It was a 10" twist.
75gr. Hornady HP - 3,950fps
87gr. Hornady SP - 3,650fps
100gr. Nosler Par - 3,484fps
120gr. Hornady HP- 3,219fps

I most certainly thought the AckImp was worth it. While I had that gun, I chrono'd a fellow's rifle, who just had a .257 WTBY made up on a BRNO action. His seems to be a slow barrel, as it was over max using IMR4350 and 100gr. Noslers at 3,482fps - he needed to use a piece of 2x4 to open the bolt, yet his load was straight from a book - at 68gr. 4350, he said. This was in 1978.
Odd I can remember that like it was yesterday, but the fact my little ctg. out-sped his yet used 15gr. less of the same powder, amazed me.

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

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

Post Extras

Entire topic
Subject	Posted by	Posted on
Is 257 Roberts AI that much better than the +P loads?	Woodbeef	21/04/10 11:04 PM
Re: Is 257 Roberts AI that much better than the +P loads?	DarylS	22/04/10 02:28 AM
Re: Is 257 Roberts AI that much better than the +P loads?	kamilaroi	22/04/10 09:19 AM
Re: Is 257 Roberts AI that much better than the +P loads?	Homer	22/04/10 08:59 PM
Re: Is 257 Roberts AI that much better than the +P loads?	kamilaroi	22/04/10 09:54 PM
Re: Is 257 Roberts AI that much better than the +P loads?	Woodbeef	23/04/10 12:15 AM
Re: Is 257 Roberts AI that much better than the +P loads?	375shooter	23/04/10 02:16 AM
Re: Is 257 Roberts AI that much better than the +P loads?	Woodbeef	24/04/10 12:39 AM
Re: Is 257 Roberts AI that much better than the +P loads?	375shooter	24/04/10 06:35 AM
Re: Is 257 Roberts AI that much better than the +P loads?	TAP	03/05/10 07:19 AM
Re: Is 257 Roberts AI that much better than the +P loads?	Gunnie	07/06/10 11:55 PM
Re: Is 257 Roberts AI that much better than the +P loads?	bwananelson	23/04/10 11:09 AM
Re: Is 257 Roberts AI that much better than the +P loads?	DarylS	23/04/10 12:45 AM

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