M14/M1A Glass bedding tutorial and additional info **Updated 07/28/09** - Page 2 - M14 Forum

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M14/M1A Glass bedding tutorial and additional info **Updated 07/28/09**

This is a discussion on M14/M1A Glass bedding tutorial and additional info **Updated 07/28/09** within the Reference forums, part of the M14 M1A Forum category; An exerpt from Ted Brown on bedding care: "When putting the rifle up for long term storage (say a month or more) hang the rifle ...


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Old July 7th, 2009, 12:15 PM   #16
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FInal checks and bedding care

An exerpt from Ted Brown on bedding care:

"When putting the rifle up for long term storage (say a month or more) hang the rifle upside down by the sling with the trigger guard unlatched. This prevents wood compression around the bedding areas. Removing the action from the stock should only be done prior to a major competition for thorough cleaning and before off season storage. It's best to not field strip the rifle more than two or three times a year. Most cleaning can be accomplished without removing the action from the stock. It is permisable to remove the trigger group for access to the inner areas of the receiver for cleaning and lubrication.

I should note that if you field strip prior to a major match, it would be advisable to fire a few rounds through the rifle in order to seat the action. This will stabilize it's accuracy before the first shots of the match. Do clean the barrel after firing. Rifles bedded in McMillan stocks with rear lug receivers and bedding screws probably can skip the settleing shots."

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Old July 14th, 2009, 06:22 AM   #18
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Bloopers!!!

This section will include all the mistakes I made in my first 3 failed attempts...


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Old July 22nd, 2009, 11:12 AM   #19
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This thread is now open...

I will be making some changes here and there, but I hope you all find this useful. For some, this will clear up some questions about bedding. For others, sorry I murkied the waters for ya!

I have feedback from Ted and I will add his comments soon.

Enjoy!

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Old July 22nd, 2009, 11:58 AM   #20
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Quote:
Originally Posted by tonyben View Post
I will be making some changes here and there, but I hope you all find this useful. For some, this will clear up some questions about bedding. For others, sorry I murkied the waters for ya!

I have feedback from Ted and I will add his comments soon.

Enjoy!
Tony,

First of all, bless you for taking the huge amount of time to package this whole thing up in a tutorial so others might get some real help on it.

I'm in a big rush right now to get some rifles done before I go to the Nationals at Camp Perry at the end of the month, so I'm not sure if I can add all my comments prior to me having to take off. Having said that, I came across some things in a commercial wood stock M1A that I just got done glass bedding and is worth mentioning in this thread.

Previously I've mentioned that the Coat Hanger method always has worked in G.I. stocks and commercial stocks. Well, it seems I have to add a Caveat to that, because I've run across a wood stock that you can't use the coat hanger method as mentioned previously.

This stock is a fairly thick commercial Walnut stock, without cut outs for the connector assembly. I'm thinking Boyds may have made it, but can't be sure of that. It came on an SAInc rifle, and I'm pretty sure it is a factory supplied part. The handguard was JAMMING down on top of the stock by the way the stock was made. The "geometry" of the stock is off by G.I. specs, though it really only has to be addressed when you glass bed the stock.

The coat hanger method wouldn't work with this stock as the diameter of even the thicker coat hanger wasn't enough to put upwards pressure on the barrel and thus give you good tension on the ferrule to front band fit. You mentioned that on some stocks, you have to use a larger diameter rod like welding rod and this stock needed something like that. I have a selection of drill rod pieces from Brownells and I had to go to a larger size than the standard coat hanger wire.

Also, on this stock, the distance between the top of the stock and the two supports for the rear of the trigger housing were too far apart. That causes doubles, triples and even unintentional full auto firing in worst cases. A REAL GOTCHA when glass bedding is to have this measurement off. The G.I. measurement is from 1.700" to 1.725". This stock was well over 1.740" and would have been even worse after glass bedding if I hadn't checked it and glassed the rear of the trigger housing with a little distance between the stock supports and housing. I had to inlet the two supports up a bit to shorten this distance and ENSURE the rear of the trigger housing was down right on top of the supports when I bedded the trigger housing and all came out well.

On a couple of LRB receivers I've glassed, the geometry of the receiver was off so I had to reduce this distance even more so the rifle wouldn't double, triple or go full auto. I had to go down to 1.690" on one and 1.685" on another.

If one doesn't realize this distance can cause functioning problems and is so important to safe operation, this can cause real problems. So I suggest you add this into the text.

I'll see if I can come up with some more suggestions later before I run off to Camp Perry.

Gus

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Old July 22nd, 2009, 02:07 PM   #21
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Thanks Gus for that additional and critical information. And no worries, this thread will be here when you get back . I completly overlooked Camp Perry. I guess I wouldn't have if I were going. It is a goal of mine some day though.

I plan for this thread to be an evolving one as input is received. Ted has given me some info to chew on as well.

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Old July 27th, 2009, 07:43 PM   #22
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Tony again I have to thank you for what I am sure took a great deal of time and effort to write and edit. This and your other tutorials are most informative and a true testament of your dedication not only our beloved M14 but testament to your dedication to the forum and your fellow members. You sir are a great asset to The Firingline and I for one am glad you are willing to go out on the limb so to speak and share your experiences. I intend to print this tutorial with the hopes that one day I will be daring enought to attempt a bedding job on my own. You did an outstanding job and it is well put together. I always felt that I would screw it up and wind sending the mess off to smith afterall. I wil probably read this post over a few times just to digest the quantity of information you have provided. Thanks T Hawk made the right move when he made you a Mod.

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Old July 28th, 2009, 12:45 PM   #23
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Tony from what I have seen and read about your bedding project, you were a gun plummer in a previous life and , don't deny it. It's clear, concise and the pictures are a great training aid, to assist others in there project. Yes, Sir you are Mod Material.

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Old July 28th, 2009, 01:44 PM   #24
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This thread is just an example of the quality of people on this board. Thank you very much for taking such time and effort to share with us. I have bookmarked this thread and will be studying it thoroughly.

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Old July 28th, 2009, 06:40 PM   #25
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Thank you for the kind words gentlemen. It makes the effort worth while.


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Old July 28th, 2009, 06:54 PM   #26
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Thank you for that priceless tutorial. Your time in putting something like that together is greatly appreciated by myself.

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Old July 29th, 2009, 05:00 AM   #27
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Very good thread. Nice format and great information for those who need it. I am copying this thread into the Knowledge Base Forum.

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Old August 8th, 2009, 02:15 AM   #28
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Quote:
Originally Posted by Gus Fisher View Post

The coat hanger method wouldn't work with this stock as the diameter of even the thicker coat hanger wasn't enough to put upwards pressure on the barrel and thus give you good tension on the ferrule to front band fit. You mentioned that on some stocks, you have to use a larger diameter rod like welding rod and this stock needed something like that. I have a selection of drill rod pieces from Brownells and I had to go to a larger size than the standard coat hanger wire.

Gus
How do you know what size (diameter) coathanger or rod to use - Is it something that you get a "feel" for after bedding several stocks or is there a way or method that is used to tell how much pressure the wire should be putting on the barrel? - JDR

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Old August 8th, 2009, 07:15 AM   #29
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You just have to try different size rods. The most important thing is to make sure that when you set up the action, the heel of the receiver hovers about an inch or so above the stock and that it takes the desired pressure (light, medium, soft) to compress. The most important thing to look for is that when you let off the pressure, it springs back to the original height. If it doesn't the hangar compressed.

Another thing I did not mention is that when using the coat hangar on the stock, you will get a little dimple on the wood, so lay something over the edge of the stock if you don't want the dimple from the wire.


Since Gus performs multiple bedding jobs on a consistent basis, he has a greater selection to facilitate different stocks. I suggest going with a simple hangar first and seeking a welding rod if you run into the same problem.

I imagine you will just get a feel for it after a while. Like I said, I 4 tries to get it right.

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Old April 3rd, 2010, 08:01 PM   #30
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There are different dimensions of bedding collars for different weights of barrels as well
Tony, I bought the collar from Brownell's before reading your posts on this. What barrel weight is this collar made for? And are the dimensions documented somewhere?

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