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Bedding Rimfires

07 Aug 2016
@ 05:19 am (GMT)

Murray McGehan

I have two rimfire's I wish to do bedding jobs on, a CZ 455 in 17hmr and a Savage Mk2 in 17hm2. Both are heavy barrels. Any advice especially from Nathan gratefully received. Thanks in advance, Murray

Replies

07 Aug 2016
@ 07:41 pm (GMT)

Nathan Foster

Re: Bedding Rimfires
Hi Murray, neither of these have recoil lugs as is the case with pretty much all rimfires. All you can do is bed the round sections, bed some of the barrel and done. Use plasticine or electrical tape to block off cross pin holes etc, then bed as you please.

The CZ's vary across the models and over time. It may pay to send me photos. If yours has a boss style tang (like a thick tube coming down), you'll want to tape the front half of the boss and let it take recoil on the rear / tang (never do this with centerfire). If the rifle has a boss dovetailed to the barrel (like a barrel recoil lug which the front screw attaches too), the rules are the same, tape half of the boss off. Plug any exposed dovetailing with plasticine.

On the CZ .22 Magnum, the action screw holes are so close to the trigger well (at rear) and magazine (at front), that 50% of the holes are not supported by wood and are only half moons. This limits the amount of torque you can place on the screws after bedding. The picture below provides a better explanation.



08 Aug 2016
@ 01:04 am (GMT)

Bryan Webster

Re: Bedding Rimfires
Good advice Nathan. I have also seen some people use a brass tube epoxied into the stock as pillars to allow proper torque for the screws to prevent wood compression. Some of the latestAnschutz custom rifles are done like this as well.
08 Aug 2016
@ 01:10 am (GMT)

Bryan Webster

Re: Bedding Rimfires
Here is a link that may help as well, as there are photos etc. in it.

Link to thread contain information on pillar bedding a 452 Varmint by DrGunner.

http://www.rimfirecentral.com/forums...d.php?t=553469


Link to thread on pillar bedding a 452 Silhouette.

http://www.rimfirecentral.com/forums...d.php?t=553471
19 Aug 2016
@ 07:33 am (GMT)

Murray McGehan

Re: Bedding Rimfires
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19 Aug 2016
@ 07:40 am (GMT)

Murray McGehan

Re: Bedding Rimfires
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20 Aug 2016
@ 12:24 am (GMT)

Thomas Kitchen

Re: Bedding Rimfires
20 Aug 2016
@ 12:25 am (GMT)

Thomas Kitchen

Re: Bedding Rimfires
hi Murray
if you click the image part in photo bucket NOT the html common mistake happens to most people until they get use to it
20 Aug 2016
@ 02:30 am (GMT)

Murray McGehan

Re: Bedding Rimfires
Thanks Thomas, I will try again later, the Savage mk2 is interesting in that it has a dovetail groove under the barrel close to the receiver, no sign of a recoil lug but there is a socket for one in the stock at that location. Hope to hear from Nathan as to if it is worth constructing a lug before bedding. Not a high powered cartridge just a 17 hm2
20 Aug 2016
@ 04:51 pm (GMT)

Bryan Webster

Re: Bedding Rimfires
If you decide to bed the rifle yourself, I would first of all do exactly what Nathan has said. Just the action and about an inch of the barrel, but fill that groove first with putty or similar before doing it.

If you want to make a lug for it I would take it to a gunsmith but I doubt you will need to do it. I have done a few .22 LR using the methods related to the links I posted above using pillars made from brass tubing epoxied into the stock.
They worked well but their purpose was to prevent any issues with respect to torque pressures of the action screws. I epoxy bedded those action like Nathan recommended and found extremely good results in dong them.

One was a BRNO and several newer CZ rifles PLUS ONE Anschutz. My Anschutz Custom branded rifles were already done with the pillars and epoxy bedding.
21 Aug 2016
@ 08:01 pm (GMT)

Nathan Foster

Re: Bedding Rimfires
As Bryan said (thanks Bryan). The action screws and basic bedding will allow it to return to battery.

I need to get my editors Marlin .22 Magnum bedded- if we are to ever see any more articles go live.
27 Aug 2016
@ 03:49 am (GMT)

Murray McGehan

Re: Bedding Rimfires
I made a fine pointed right angle tip for my electric soldering iron and used this for stock prep on the Savage Mk 2 plastic stock. The modified soldering iron worked well for fore end dimpling prior to using the stock stabiliser.
Another thought regarding action screws is to use heat shrink tubes to prevent the epoxy sticking. With the Savage i will look at front and rear beading around both action screws.
The CZ will need a combination of pillars and conventional bedding.
 

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