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Double Rifles, Single Shots & Combinations >> Single Shots & Combination Guns

400NitroExpress
.400 member

Reged: 26/11/03
Posts: 1154
Loc: Lone Star State

Re: Rechambering a Ruger No. 1
31/12/07 07:30 AM

For someone in the US looking for something larger than .375 for the No. 1, either .450/.400 3" NE or .450 3 1/4" NE make the most sense by far. Both can be loaded up or down in the No. 1. You could simply trade or sell your .300 and get a No. 1 in .450/.400, or wait for Ruger to chamber it in .450. I can't imagine that they won't, since Hornady is going to bring out the ammo. Hornady is making factory ammunition as well as bullets and brass in .450/.400, and is working on the .450 (including softs and steel jacketed solids in the correct 480 grain weight). I've been using their .400 brass for a while, and just bought another 100 cases. I think it's probably the best flanged nitro brass that's ever been available, and I imagine the .450 will be excellent as well, and it's cheap.

I'll have to agree about the Bertram. I would never choose a caliber that would force me to rely on Bertram brass at all. It's as bad or worse than what's been described. It isn't better than nothing. Horneber is pretty good, but isn't easy to get here - and it's expensive.

Quote:

Yes, thats it. The 458wm was designed to duplicate the performance of the .450#2 but at much higher pressure.

It was actually designed to duplicate the .450 3 1/4" NE.

Quote:

The Lott uses nearly 3 times the pressure to get only 100 fps above double rifle 450#2 balistics.

Not even close. CIP MAP for the .450 No. 2 is 40,610 PSI and for the Lott is 62,366 PSI. That's the legal max for both, and factory ammo is loaded to somewhat under that.

Quote:

A square shows 465 grain solid 2210 fps at only 26,000 CUP the same velocity in the Lott is 50,000psi.

.

CUP isn't PSI. CIP has the MAP for the .450 No. 2 set at 40,610, and that ain't arbitrary. It's there for a reason.

A-Square's data makes for entertaining reading after a few stiff single malts, but is an insider joke in the industry, as few have been able to come anywhere close to duplicating it. As an example, a manufacturer (who will remain nameless) brought out ammunition for some of the British Flanged Nitro Expresses (I have notes on one in particular, which I won't specify). During their testing, they tried some of A-Square's data, which showed 2150 fps in a shorter than standard barrel at way under CIP max average, in their new state-of-the-art CIP spec pressure gun. They got the same 2150 fps velocity alright, but at 10,000 PSI higher pressure than was claimed, roughly 30% higher and 11% over CIP MAP. BTW, they settled on a final load for their factory ammo that tested somewhat under CIP max, and submitted the ammo to CIP for testing. Their results checked out, and the ammo was CIP approved.

Quote:

In the .450 Assegai A square are getting 2400 with a 500 grain at around 46,500 psi.

I'll believe that when somebody that actually has a pressure gun tests it.

--------------------
"Serious rifles have two barrels, everything else just burns gunpowder."

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Subject	Posted by	Posted on
Rechambering a Ruger No. 1	375RugerNo1	25/12/07 08:44 AM
Re: Rechambering a Ruger No. 1	DarylS	06/01/08 01:57 AM
Re: Rechambering a Ruger No. 1	375RugerNo1	06/01/08 06:07 AM
Re: Rechambering a Ruger No. 1	DarylS	07/01/08 03:18 AM
Re: Rechambering a Ruger No. 1	Bramble	06/01/08 08:38 AM
Re: Rechambering a Ruger No. 1	bonanza	28/12/07 11:41 AM
Re: Rechambering a Ruger No. 1	Bramble	28/12/07 12:43 PM
Re: Rechambering a Ruger No. 1	bonanza	29/12/07 12:09 AM
Re: Rechambering a Ruger No. 1	akjeff	29/12/07 01:46 AM
Re: Rechambering a Ruger No. 1	akjeff	28/12/07 01:20 PM
Re: Rechambering a Ruger No. 1	Bramble	25/12/07 08:48 AM
Re: Rechambering a Ruger No. 1	375RugerNo1	25/12/07 09:17 AM
Re: Rechambering a Ruger No. 1	DarylS	25/12/07 10:35 AM
Re: Rechambering a Ruger No. 1	9.3x57	07/01/08 07:20 AM
Re: Rechambering a Ruger No. 1	375RugerNo1	07/01/08 02:20 PM
Re: Rechambering a Ruger No. 1	DarylS	07/01/08 09:45 PM
Re: Rechambering a Ruger No. 1	375RugerNo1	09/01/08 01:20 PM
Re: Rechambering a Ruger No. 1	bouldersmith	09/01/08 02:10 PM
Re: Rechambering a Ruger No. 1	DarylS	10/01/08 12:06 AM
Re: Rechambering a Ruger No. 1	375RugerNo1	10/01/08 08:05 AM
Re: Rechambering a Ruger No. 1	bouldersmith	10/01/08 01:17 PM
Re: Rechambering a Ruger No. 1	fallingblock	11/01/08 01:43 PM
Re: Rechambering a Ruger No. 1	reflex264	20/01/08 11:47 AM
Re: Rechambering a Ruger No. 1	AkMike	25/12/07 12:33 PM
Re: Rechambering a Ruger No. 1	375RugerNo1	26/12/07 01:23 AM
Re: Rechambering a Ruger No. 1	375RugerNo1	26/12/07 02:05 AM
Re: Rechambering a Ruger No. 1	DarylS	26/12/07 02:35 AM
Re: Rechambering a Ruger No. 1	smicha6551	26/12/07 04:29 AM
Re: Rechambering a Ruger No. 1	375RugerNo1	26/12/07 08:16 AM
Re: Rechambering a Ruger No. 1	Bramble	26/12/07 11:04 AM
Re: Rechambering a Ruger No. 1	375RugerNo1	26/12/07 01:39 PM
Re: Rechambering a Ruger No. 1	akjeff	26/12/07 04:19 PM
Re: Rechambering a Ruger No. 1	poprivit	28/12/07 10:42 AM
Re: Rechambering a Ruger No. 1	Bramble	28/12/07 11:32 AM
Re: Rechambering a Ruger No. 1	400NitroExpress	31/12/07 07:30 AM
Re: Rechambering a Ruger No. 1	Bramble	04/01/08 02:06 PM
Re: Rechambering a Ruger No. 1	400NitroExpress	05/01/08 09:31 AM
Re: Rechambering a Ruger No. 1	Old_rifle_nut	24/01/08 01:48 PM
Re: Rechambering a Ruger No. 1	DarylS	25/01/08 05:42 AM
Re: Rechambering a Ruger No. 1	Bramble	25/01/08 11:30 AM
Re: Rechambering a Ruger No. 1	DarylS	26/01/08 03:03 AM
Re: Rechambering a Ruger No. 1	Bramble	26/01/08 07:10 AM
Re: Rechambering a Ruger No. 1	mikeh416Rigby	06/01/08 11:40 AM
Re: Rechambering a Ruger No. 1	375RugerNo1	07/01/08 02:01 AM
Re: Rechambering a Ruger No. 1	Bramble	05/01/08 01:18 PM
Re: Rechambering a Ruger No. 1	400NitroExpress	05/01/08 03:24 PM
Re: Rechambering a Ruger No. 1	Bramble	06/01/08 01:38 AM
Re: Rechambering a Ruger No. 1	Marrakai	05/01/08 07:52 PM
Re: Rechambering a Ruger No. 1	NitroX	06/01/08 01:14 AM
Re: Rechambering a Ruger No. 1	375RugerNo1	05/01/08 04:36 AM
Re: Rechambering a Ruger No. 1	375RugerNo1	04/01/08 11:01 AM

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