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

mehulkamdar
.416 member


Reged: 09/01/04
Posts: 3688
Loc: State of Ill-Annoy USA.
Jeff Cooper on the ideal bolt action
      04/09/05 04:47 PM

From Pls check Vol 1 no. 5

The matter of the idealized bolt-action keeps coming up. None such is available today, probably because very few people understand the bolt-action rifle, and the manufacturers are unwilling to take a chance on the production of anything unusual.

Not that there is anything mysterious here. It would indeed be odd if we were unable to improve upon a concept which was basically a creation of the 19th century. It is certainly true that a dozen or more "modernized" bolt-action rifles have appeared in the last couple of decades, but oddly enough they do not seem to have been designed by people who shoot much.

Let us consider a few of the desiderata which should be available in a bolt-action designed for the 21st century.

A bolt-action should be glassy smooth and instantly operable. The bolt should have a 90 degrees throw, but it should start at 45 degrees below horizontal, as in the Krag, thus obviating the need for a bent bolt handle to stay out of the line of sight. Reduced rotary movement offers illusory advantages in that it increases camming pressure and sacrifices ease of operation.

A modern bolt-action should be instantly convertible from right to left-hand operation. About one customer in six is left-handed, and should not need to put in for special consideration.

The bolt-action should use two, horizontally-opposed locking lugs. Its extractor should not interrupt the circle of the bolt-face, nor should its ejector. (Again, note the Krag bolt-face.)

The modern bolt-action should include a magazine cut-off, a device which I have found eminently useful all my shooting life (which goes back a long way).

The modern bolt-action should feature a rotary box magazine with a shoulder detent to avoid masking soft-point spitzers flat while waiting their turn. (Personally, I would prefer something on the order of Savage 99, but the Mannlicher-type - if made of steel - would do as well.)

The modern bolt-action should permit direct feeding into the chamber without use of the magazine.

The modern bolt-action should feature a strong, simple, single-stage trigger, releasing without apparent motion at 50 oz or a bit less.

While I have certain reservations (along with my good friend and mentor Ian McFarlane of Okavango) about mechanical safety latches, it would be impossible to sell a rifle that did not include one. It should be operable with either hand. It should not extrude from the rifle to catch on things (as is the case with the Winchester three-position safety.) And it should disconnect the trigger and sear from the striker, while at the same time positively locking the striker. (People who count upon a safety latch to render a firearm inoperable are living in a dream world.)

The modern bolt-action should be available in three lengths - short (308), standard (30-06), and long (505 Gibbs).

And last but not least, the modern bolt-action should be factory-fitted with an integral ghost ring aperture sight mounted in the receiver bridge, as was the case with the old ZKK. Telescope sights are here to stay, but they do not invalidate the need for reserve iron sights, and those iron sights should be efficient, as opposed to the V-shaped arrangements now considered factory standard.

There are a couple of extra considerations involving the fitting, bedding and trigger adjustment of the modern bolt-action, but they go into the shop manual.

I don't suppose anyone is going to pay any attention to this sort of thing. Marketing will always be a more important factor to the manufacturers than excellence of design. Besides, the weapons we have been using since the turn of the century have given us excellent service. Still, it is nice to speculate upon the search for excellence, Even if nothing comes of it, it makes good campfire conversation.

Good hunting!


--------------------
The Ark was made by amateurs. Experts built the Titanic.

Mehul Kamdar

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Entire topic
Subject Posted by Posted on
* Jeff Cooper on the ideal bolt action mehulkamdar 04/09/05 04:47 PM
. * * Re: Jeff Cooper on the ideal bolt action NitroXAdministrator   23/05/19 01:32 PM
. * * Re: Jeff Cooper on the ideal bolt action Homer   24/05/19 05:56 PM
. * * Re: Jeff Cooper on the ideal bolt action allenday   23/10/06 11:52 PM
. * * Re: Jeff Cooper on the ideal bolt action Tightloop   29/10/06 03:54 AM
. * * Re: Jeff Cooper on the ideal bolt action 475Guy   29/10/06 09:16 AM
. * * Re: Jeff Cooper on the ideal bolt action Grizzly   31/10/06 07:06 PM
. * * Re: Jeff Cooper on the ideal bolt action DoubleD   01/11/06 04:33 AM
. * * Re: Jeff Cooper on the ideal bolt action NitroXAdministrator   22/05/19 08:34 PM
. * * Re: Jeff Cooper on the ideal bolt action Postman   22/05/19 11:35 PM
. * * Re: Jeff Cooper on the ideal bolt action Ripp   23/05/19 01:33 AM
. * * Re: Jeff Cooper on the ideal bolt action Postman   23/05/19 03:45 AM
. * * Re: Jeff Cooper on the ideal bolt action Ripp   23/05/19 03:59 AM
. * * Re: Jeff Cooper on the ideal bolt action DarylS   23/05/19 09:40 AM
. * * Re: Jeff Cooper on the ideal bolt action xausa   23/05/19 10:53 AM
. * * Re: Jeff Cooper on the ideal bolt action SharpsNitro   23/05/19 11:29 AM
. * * Re: Jeff Cooper on the ideal bolt action NitroXAdministrator   23/05/19 01:23 PM
. * * Re: Jeff Cooper on the ideal bolt action xausa   23/05/19 01:12 AM
. * * Re: Jeff Cooper on the ideal bolt action DarylS   23/05/19 01:03 AM
. * * Re: Jeff Cooper on the ideal bolt action 500grains   06/09/05 12:48 AM
. * * Re: Jeff Cooper on the ideal bolt action DoubleD   06/09/05 02:49 AM
. * * Re: Jeff Cooper on the ideal bolt action Oldsarge   06/09/05 03:45 AM
. * * Re: Jeff Cooper on the ideal bolt action mikeh416Rigby   06/09/05 07:07 AM
. * * Re: Jeff Cooper on the ideal bolt action Tightloop   08/10/06 02:30 AM
. * * Re: Jeff Cooper on the ideal bolt action André   08/10/06 07:24 PM
. * * Re: Jeff Cooper on the ideal bolt action NE450No2   10/10/06 04:37 PM
. * * Re: Jeff Cooper on the ideal bolt action Boomer   20/10/06 11:53 AM
. * * Re: Jeff Cooper on the ideal bolt action DUGABOY1   08/10/06 05:19 AM
. * * Re: Jeff Cooper on the ideal bolt action DoubleD   08/10/06 04:32 AM

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