Best ever varmint wildcat

Talk about your Varmint Rifles and other firearms here!
Con
.308 Winchester
Posts: 1515
Joined: Thu Sep 14, 2006 11:10 am

Post by Con »

trevort wrote:Fine for neck or seater but what about a fl or body die.
Trevort,
The FL die is made with another reamer ... if you get say Manson to build you a wildcat then you can order a FL die making reamer as well as the chambering reamer.

X WSSM,
You chicken ... :P , build a heavy hitter not a 20cal abomination. :lol:
Cheers...
Con
shane
Resident Gunsmith
Posts: 1266
Joined: Tue Jul 11, 2006 7:09 am
Favourite Cartridge: none
Location: narrandera

Post by shane »

Gday Mudgegonga,
Mate i wouldnt bother necking it to 20 cal. If you really wanted a 20 cal i would go a smaller case, something like the 20br would be very similar in bore to case ratio.

Also the 461 action isnt made for a case that size, it would have to go on a 579 if you wanted sako.

Gday Con,
For most guys wanting a wildcat full length die there are a few guys in the US where you can send 3-4 fired cases and they will make you a full length die to suit their dimensions, far easier than getting an undersized reamer for each chambering and then still having to make the die up.
cheers,
Shane
Aussie steve
17 Hornet
Posts: 272
Joined: Sat Nov 25, 2006 10:37 am
Favourite Cartridge: ALL of 'em

Post by Aussie steve »

For me personaly I have thought about, and I still am seriously thinking of a .20/.250 imp, built on a trued rem 700 BDL, with a 26 inch barrel. I read somwhere on the internet of a guy who had one, it shot 1 inch hight at 100, dead on at 200, and 1 inch low at 300 with 32 grain Vmaxs.
I dont know if thats true or not, but its pretty flat shooting, I think the velocity from memory was about 4600 or 4700 fps. That should provide everything needed from a small varmint rifle
Cheers
Steve
User avatar
trevort
Spud Gun
Posts: 12710
Joined: Thu Sep 14, 2006 9:21 pm
Favourite Cartridge: Tater
Location: Melbourne

Post by trevort »

theres a guy on the 204um with one. He's pretty happy!
User avatar
HiWall
Site Admin
Posts: 854
Joined: Sat Dec 09, 2006 1:51 am
Favourite Cartridge: .25/06
Location: Brisbane

Post by HiWall »

A 20/250 Improved, that sounds like an interesting proposition. What is the heaviest/longest .20 Cal bullet available and what twist rate does it like?

Do you reckon I could get one sighted in and loads worked up before the barrel was toast?
Con
.308 Winchester
Posts: 1515
Joined: Thu Sep 14, 2006 11:10 am

Post by Con »

shane wrote:Gday Mudgegonga,
Gday Con,
For most guys wanting a wildcat full length die there are a few guys in the US where you can send 3-4 fired cases and they will make you a full length die to suit their dimensions, far easier than getting an undersized reamer for each chambering and then still having to make the die up.
cheers,
Shane
Shane,
Too true ... from memory CH/4D, Hornady, Redding and I think Lee will make "custom" dies ... RCBS may be out of that business. The first three I think will also work with your reamer specs to do a die set without the cases. I'm sure there must be smaller specialty shops as well.
Cheers...
Con
Con
.308 Winchester
Posts: 1515
Joined: Thu Sep 14, 2006 11:10 am

Post by Con »

HiWall wrote:A 20/250 Improved, that sounds like an interesting proposition. What is the heaviest/longest .20 Cal bullet available and what twist rate does it like?

Do you reckon I could get one sighted in and loads worked up before the barrel was toast?
HiWall,
Build it and find out :lol: What about a 20cal using the 5.6x50 case??
Cheers...
Con
User avatar
trevort
Spud Gun
Posts: 12710
Joined: Thu Sep 14, 2006 9:21 pm
Favourite Cartridge: Tater
Location: Melbourne

Post by trevort »

50gn berger, 1 in 9 twist.

3800 to 3900 reportedly from a 20 br. Wind drift at 500m about 5 inches worse than 6br but 20inch less drop (according to 6br.com)
shane
Resident Gunsmith
Posts: 1266
Joined: Tue Jul 11, 2006 7:09 am
Favourite Cartridge: none
Location: narrandera

Post by shane »

If the 20/250AI spits them out at 4600-4700 fps then the fist trick will be finding a projectile that will handle that speed and if you do you will need to run it in a slower twist than it will normally need because at that rpm too much twist will give a heap of core shift or just tear them apart anyway. eg If you ran 50gn it would normally need a 9" twist but with the 20/250AI you would find 10" would be about the max with most likely 11" fairly close to the money. I would have to run this through a calculator to get the best twist but i recon 11" would be close.
cheers,
Shane
woob614271
17Rem
Posts: 1123
Joined: Mon Jan 29, 2007 8:49 pm
Favourite Cartridge: 17Rem, 22.250AI, 308
Location: townsville qld

Post by woob614271 »

sounds good, shane; I've been waiting for your post on this one...
Con
.308 Winchester
Posts: 1515
Joined: Thu Sep 14, 2006 11:10 am

Post by Con »

Here's a 20cal well above 4000fps. Dies are available, sourcing cases would be interesting I think.
Cheers...
Con

http://www.varminthunter.org/downloads/Issue59.pdf
User avatar
trevort
Spud Gun
Posts: 12710
Joined: Thu Sep 14, 2006 9:21 pm
Favourite Cartridge: Tater
Location: Melbourne

Post by trevort »

the 20br beats 4000 mark with 39s and 40s easy enough. Some guys on Saubier are building 20 dashers.
ogre6br
300 Win Mag
Posts: 1781
Joined: Wed Sep 13, 2006 4:35 pm
Favourite Cartridge: 6.5x55 or 6BR
Location: Melbourne Vic

Post by ogre6br »

heres a .20x47L already built and ready to be imported with brass and a spare unchambered barrel in 224

http://www.saubier.com/forum/showthread.php?t=3063

(snip)
Stiller Diamondback .20x 47 Lapua Pillar Bedded McMillan Nesika varmint stock with clear coat. action/ bolt NP-3 coated by Robar. Jewell BR, Pac- Nor straight taper barrel. Stiller base/ rings. Weaver GS 6.5-20 All work by Greg Tannel includes brass, includes spare unchambered Pac- nor Fluted .224" caliber barrel. Shipped in Hard Case $2,100.00
Image
(endsnip)- in case you need to be a member to view- he has others for sale as well.

LAter
P
User avatar
stinkitup
.338 Lapua Magnum
Posts: 3217
Joined: Fri Aug 03, 2007 10:46 am
Favourite Cartridge: 6.5x55
Location: Lower Hunter Valley

Post by stinkitup »

How long are those 20cal 32 v-max's? trying to work out the best twist, possibly .8 or an inch ??
User avatar
trevort
Spud Gun
Posts: 12710
Joined: Thu Sep 14, 2006 9:21 pm
Favourite Cartridge: Tater
Location: Melbourne

Post by trevort »

shane wrote:Well considering the question was regarding a wildcat maybe a 22-250 ackley improved with the shoulder pushed back say .100" thus giving a longer neck and a good balance of powder capacity and reasonably straight case with 40 deg shoulder.

You end up with a case that will out perform the 22br velocity wise, shoots flat, doesent have excessive case growth, doesent burn barrels near as quick as the 22-250 or its ackleyd version due to the shorter powder column and longer neck and also has a great range of projectiles to pick from as well as some quality cases available.

Shit i've talked myself into one!
cheers,
Shane


Shane, have you seen this months PS? Your wildcat (or one very like it is in it! I think I will want one! Now back to that Savage action, did I read somewhere that its very easy to change the barrel on a savage? How's about this hot 22 wildcat and a 20br (same bolt face) switch barrel set up!
Post Reply