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Key Kirby/Fiftydriver how about some V-block info

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Old 04-07-2006, 06:56 PM
Silver Member
Join Date: Jun 2003
Posts: 179
Re: Key Kirby/Fiftydriver how about some V-block info

Im not trying to speak for kirby.
I would think the tradeoffs would be:
Expense of-the block,milling stock, fitting,threading barrel
And as said its porpose is to use a long heavy barrel where the stree might be to much for the bedding and action.
I cant say that I like the idea of a .2" in hole but im shure it works. The pro would be a floated action and reducing the harmonics by theoretically shortening your barrel.
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Old 04-08-2006, 10:21 PM
Junior Member
Join Date: Apr 2006
Posts: 6
Re: Key Kirby/Fiftydriver how about some V-block info

rrobor -
After talking w/ Bruce Bbaer over th phone some years back, I made up my own ridiculously low-buck
barrel-clamping set-up.

I shoot a .224" cal " Palma Taper " 28" finished K & P
1-8 SS barrel.

My current rifle started out with the barrel mounted to a Wichita WBR1375 action, all pillar-bedded into a Kelbly Hunter-bech stock.

When I kept getting vertical creep in my groups, I went to my new barrel clamping set-up.

My clamping arrangmenet consists of 2 plumbing repair plates
( shaped like a house roof ) that have been double-up.

The doubled "v" shaped plates are about 3.75"long,and cad plated it appears.

Along each edge , they have 4 total square holes
( 2 each side ) that accept 1/4" " carriage " type bolts.

The carriage bolts of course have a square shank above their threads, which are held in place from rotation by the acepting square holes on the "v" plates.

I place the "vee" plates atop the barrel's straight breech section ( mine is long enough to do that ).

The barrel sits in an aluminum "I" beam set on its side
to obtain "H" beam.
The barrel is 1.250" diam, so top edges of "H" beam are relieved slightly to "float" my 1.375" diam Wichita.

I use 2 doubled bottom plates taken from "U"-bolts
( 4 pc total ) to provide desired upward clamping action from beneath the bottom of the "H" beam.
This is accomplished by passing the four carriage bolts
through the "U" bolt torque plates, and tightening down via correct sized 1/4" self-locking nuts / washers.

The beam is 36" long. Forened and buttstock are fashioned from composite deck board materiel, sized to fit me.

A rudimentray cheek piece is removable, to allow access for cleaning rod to breech.

A slot is cut into bottom cneter web of "H" beam to accept recoil lug. to arrest reward recoil momment.

Another slot is cut to allow trigger to pass through.

With scope, rings, tapered 20moa base, and simple trigger guard, rifle wiehs in at just past 16lb.

Gun shoots SO well, I will never go back too conventional
bedded varmint rifle again.

Got all metal parts for clamping set-up as described form local hardware store. Total cost: around $10.00

Best thing I EVER did for my accuracy shooting.

Recoil is streight back. Rifle looks novel, however
" agricultural " it may appear.

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Old 04-08-2006, 10:26 PM
Platinum Member
Join Date: Jul 2002
Posts: 2,855
Re: Key Kirby/Fiftydriver how about some V-block info

Man that sounds pretty cool , but I'm kinda at a loss , its this weapon shoulder fired or is it more like a rail gun?
can you post a pic?
Si Vis Pacem Parabellum
Molon Labe
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Old 04-08-2006, 11:11 PM
Silver Member
Join Date: Jun 2003
Posts: 179
Re: Key Kirby/Fiftydriver how about some V-block info

Kirby, have you ever thought about welding a tapped SS plate to the barrel then having it just polt to the stock like a normal action would??? Or even match up t a alum plat in the stock??? Just thinking out loud. I have never really heard of welding to a barrel, dont knoe if it would remove any temper.
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Old 04-09-2006, 08:36 AM
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Join Date: Jun 2004
Location: Fort Shaw, Montana
Posts: 6,843
Re: Key Kirby/Fiftydriver how about some V-block info

No welding on barrels for me!!!

Just to many safety and consistancy issues to deal with.

Kirby Allen(50)
Kirby Allen(50)

Allen Precision Shooting
Home of the Allen Magnum, Allen Xpress and Allen Tactical Wildcats and the Painkiller Muzzle brakes.

Farther, Faster and Flatter then ever before.

Web Page:
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Old 04-09-2006, 09:51 AM
Gold Member
Join Date: Sep 2003
Location: Nebraska
Posts: 811
Re: Key Kirby/Fiftydriver how about some V-block info

Yeah lets make them shoot around corners!

"Let the good times roll"
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Old 04-09-2006, 08:30 PM
Bronze Member
Join Date: Dec 2004
Location: BC
Posts: 89
Re: Key Kirby/Fiftydriver how about some V-block info

Kirby, looking through your V-Block design bedding system, the thought struck me that this is an over sized version of Accurate Beddings Systems bedding system. Would that be a correct way of describing your V-Block bedding system?
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