I was thinking of a wildcat on an action and now there are a lot to pick from but which one. I want a bolt action so I started to put together a list maybe some of you could tell me some that I am missing.

First I started with all the standard long or mag lenght actions

Beretta berettausa.com/301-283-2191
Blaser (Sigarms)sigarms.com/603-772-2302
Browning /801-876-2711
cz-550 cz-usa.com/800-955-4486
dakota dakotaarms.com/605-347-4686
Ed Brown
howa /212-921-0980
lazzeroni
Mauser M98
Remington remington.com/800-243-9700
Ruger ruger-firearms.com/520-778-6555
Sauer (sigarms)sigarms.com/603-772-2302
Savage savagearms.com/413-568-7001
Sigarms sigarms.com/603-772-2302
Steyr gsifirearms.com/800-821-3021
Tikka berettausa.com/301-283-2191
Weatherby weatherby.com/800-466-1767
Winchester /801-876-3440

338 lapua lenght

Armalite armalite.com/800-336-0184
Blaser sigarms.com/603-77272302
Sako berettausa.com/301-283-2191

.408 chey tech lenght

EDM edmarms.com

custom lenghts and actions

Wells sports cutrifles.com

Now what am I missing

Sako, mcmillian, nesika bay are three I can think of.

I have had my hands on a lot of them. Two main questions will help to narrow down the choice:

What is the intended use of the rifle? Makes a lot of difference as to what action to use.

What is the cartridge?

Another very important question: How much money do you intend to spend on the completed rifle?

The action used by Lazzeroni is made by McMillan. I think Mcmillan also makes the "Talon" action for Harris.

oops lot that post

David Gentry somewhere in MT makes magnum length mauser actions. $4500

Butch Search in CA uses the Selous South Africa magnum length mauser and adds his own magazine box. $3000 or $4000 or something like that.

Granite Mt Arms in Prescott makes a magnum length mauser action with a .750 bolt diameter. $3500

By the way, don't forget 1914 and 1917 Enfield. There is a lot you can do with those LOOOOOOOOONG enfield actions.

Looks like I forget a few

NECG newenglandcustomgun.com
Johannsen
Cooper cooperfirearms.com
Evolutions evo-rifles.com
Sako Stoeger Industries 973-872-9500
McMillian mcmfamily.com
Nesika Bay nesika.com

I only wanted to put together a list of action makers, not about what would be the factors in deciding which action to go with. That is where your opinion comes in to play. Also maybe this list would help others in picking a action to build a custion off of.

What I would like to find is an action that will handle the 460/.510" with military ball or the 505/.510" with military ball. I would like to find a bolt with a mag lenght to handle these rounds. The longest one I can find is the Johannsen which acording the the gun smith I talked to is 4.250" which will handle the 460/.510" if memory serves me, but I will need 4.80" or so for the 505/.510". I would like to stay away form the 50 BMG action so I will not have the extra lenght in the action during cycling. I am planning a trip to Well sports store to see what they can do, since they are only 5 hours away from me. So if you fellow big bore shooters can add any info to this post to help me or others select a action please do. Thanks RNS

Thanks for the replys so far, and maybe the second post will help clear it up but the more info the better. Anything from across the big pond, members over seas got anything to add?

David Gentry 406-388-4867
Granite Mountain arms 928-541-9758
Searcy searcyent.com/760-762-6131

THANKS RNS

The NECG action is the Johannsen action, as NECG is Johannsen's importer. It's a pretty close copy to the original magnum mauser with a couple of improvements that are not aesthetically discernible.

RNS,add on to your list umoulin, Liege, Belgium.
Brevex, France if still in business.
Both Mauser magnum type.
Hugh.

RNS,
Brevex actions were made briefly on machinery from the original Mauser factory in Germany, captured and hauled off to France after WWII. There weren't many made. They are scarce as hen's teeth. They have been out of business for nearly half a century haven't they?

I think the only option would be the Wells action if you want to pay 10 to 20 K for an action. Then it is a monster and the rifle might as well be made on a 50 BMG action, as big and heavy as it will be.

How about shortening the 585 Nyati to 2.5" and necking down to .510 caliber with a minimum neck and abrupt shoulder? You could shoot that through a Rigby sized action like the CZ 550, with a 1/2 K price tag. But the brass is for low pressure loads.

A tough problem to solve without building a monster. That is why I would prefer to just have a 500 A-Square or .510/460 WBY equivalent to make life simple. Load the long ones singly into the chamber and keep the magazine full of short ones.

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Good huntin' and shootin',
RAB