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Forum Index > Rifles general discussion > Pillars: Seamless Stainless Steel Tubing?

Pillars: Seamless Stainless Steel Tubing?

03 Apr 2018
@ 03:26 pm (GMT)

John D. Hays - New Mexico

Here in the States we have Grainger who carry "Seamless Stainless Steel Tubing" in a variety of internal and external sizes:

https://www.grainger.com/category/stainless-steel-tubing/tubing/pipe-tubing-and-fittings/plumbing/ecatalog/N-qxd

Wouldn't one or another of these do for most rifles? I have three wood-stocked guns that will need pillars, a CZ 527, a Winchester M70 Featherweight, and a Winchester M70 Safari Express.

Replies

04 Apr 2018
@ 08:05 am (GMT)

Nathan Foster

Re: Pillars: Seamless Stainless Steel Tubing?
Hi John, the 3/8th looks good. But check the internal diameter. I see there are a couple of options. make sure there is enough room for a 1/4" screw plus around 40 thou or so clearance.
04 Apr 2018
@ 08:05 am (GMT)

Martin Taylor

Re: Pillars: Seamless Stainless Steel Tubing?
Would work very well John.

I have used that on some of mine but we only have limited sizes on hand. I just ruff up the outside with a nice course file and cut it with a pipe cutter going nice and easy so as not to crush the ends.

Nathan lists this in his book, its used in milking shed set ups.
04 Apr 2018
@ 08:06 am (GMT)

Martin Taylor

Re: Pillars: Seamless Stainless Steel Tubing?
SNAP!!
04 Apr 2018
@ 10:47 pm (GMT)

John D. Hays - New Mexico

Re: Pillars: Seamless Stainless Steel Tubing?
Well, if you have to buy a six-foot length of tubing from Grainger I think you have room for trial and error.

Reaming or drill-pressing the internal diameter to properly fit would seem an option, or alternately lathing the external diameter. With six feet to work with and a good pair of safety glasses it should be possible to get something right.

Please correct me if I have the wrong idea, but the recoil lug(s) control the range of recoil lateral movement, the pillared screws control the seating depth of the action? If so, then a precise diameter pillar could actually be counter-productive as recoil movement might be compromised or "pinched."

In that regard, I have set some of my wood-stocked Winchester M70s into aftermarket aluminum-alloy stocks but find the magazine boxes seem to fit tightly. From Nathan's books it appear this might be a troublesome issue?[b]
05 Apr 2018
@ 04:04 pm (GMT)

Paul Leverman

Re: Pillars: Seamless Stainless Steel Tubing?
Seems to me that the pillars are for control of stock compression, ie, eliminating it. Am probably mistaken, but it's in the Book, somewhere.
05 Apr 2018
@ 04:08 pm (GMT)

Paul Leverman

Re: Pillars: Seamless Stainless Steel Tubing?
You can also use aluminum arrow shafts. I've used the gas tubes from the head of an oxy-acetylene torch, some brass standoffs from a Hyrail unit, and some surplus M98 pillars. Just about anything that won't distort under load from the king screws. Just bed them in and you are good to go.
11 Apr 2018
@ 05:18 pm (GMT)

Warwick Marflitt

Re: Pillars: Seamless Stainless Steel Tubing?
I'm using steel brake pipe tubing but may use alloy or stainless instead for corrosion resistance.
16 Apr 2018
@ 04:14 pm (GMT)

John D. Hays - New Mexico

Re: Pillars: Seamless Stainless Steel Tubing?
So far on four of the dozen rifles in my rifle rotation project I have replaced the wooden stocks with composite aluminum chassis stocks. I figure that this will give me better overall results and it allows me to keep the beautiful wood stocks to reinstall on the rifles should I choose to sell them off at some point.

I have the removed wood stocks in my humidified walk-in closet where I store my chess sets. I think this will keep them from warping, but who knows.

Of the Winchester Model 70s the only one I will definitely have to leave as wood and pillar is the 375 H&H Safari Express. It apparently has dual recoil lugs, so I don't think I will find an after-market ali stock for it.
16 Apr 2018
@ 11:25 pm (GMT)

Paul Leverman

Re: Pillars: Seamless Stainless Steel Tubing?
John, don't be disappointed if your stocks don't stay straight. Being in a controlled environment will definitely help, but one thing that every woodworker knows is that wood will move.
17 Apr 2018
@ 06:59 am (GMT)

John D Hays - New Mexico

Re: Pillars: Seamless Stainless Steel Tubing?
Hi Paul,

Yes it’s incredibly dry here compared to where you live. To go from here to eastern Oklahoma is to go from one extreme to another. Just a day or two of that humidity causes wood to rehydrate and untwist a bit. BTW, it is so dry here I don’t have rust issues on the firearms with the exception of the receiver of a Winchester 94 built in 1964.
The rehydrate issue is the primary reason for spending the bucks for composite-aluminum stocks.
If/when I resell these LRH Rotation rifles I will probably slip them back into the wood and they will probably look as-new. As long as the king bolt goes home the pretty stock is someone else’s project.
17 Apr 2018
@ 02:55 pm (GMT)

Paul Leverman

Re: Pillars: Seamless Stainless Steel Tubing?
It's like us travelling to the coast. Humidity is a bitch. If I had my druthers, I would be back in the desert at 9%, but fate says otherwise. So, live with 55-60%, and carry on. I do miss that dry air, though.
18 Apr 2018
@ 04:52 am (GMT)

John D Hays - New Mexico

Re: Pillars: Seamless Stainless Steel Tubing?
Saves on hair dryers, Paul
 

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