Forums › Forums › General Discussion › Disapointed in the Lumley Arms Recoil Lug!
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Disapointed in the Lumley Arms Recoil Lug!
TorontoAlex replied 8 years, 7 months ago 11 Members · 27 Replies
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105 Bullseyes
Can you confirm:
#1 – Sloppy fit when inserting lug into the slot in the stock…lug is moving in the stock.
#2 – Sloppy fit when you put the action on the stock, Lug is secure in the stock but and there is some forward and back movement if you rock/slide the action…
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If its #2….all Tikka's are like this, the lugs are smaller than the machined groove in the action so you can actually pull them apart and reassemble, it will never be an exact or pressed fit unless its a custom build. You need a couple ++ thousands of an inch tolerance to be able to work on the gun.
See attached measurements and pictures taken from 2 of my T3 guns…
Keep in mind, anyone can have a different result by just varying the pressure they put on their measuring device, an inside measurement is the toughest to take (recoil slot), so you need good technique and sense when taking these.1st – Recoil Slot 308 T3 Battue = .2400
2nd – Recoil Slot 308 T3 CTR = .2400
3rd – Factory aluminum lug from my Battue = .234
4th – MT lug = .238 (FYI – this is exactly .002 tolerance they say they machine all their lugs from factory Recoil Slot, if you factor in my measurements)…Mine is machined smaller then the .240 you have stated above, not sure why there is a difference there… I also measured my Lumley lug and it is also .238 (same as yours)….no measurable difference between MT and Lumley lugLike I said before in other post….I have not gained any measurable increase in range accuracy by replacing the factory lugs in all of my reloading for 5 of my Tikka rifles. Its been a cosmetic and piece of mind decision only on my .30 cal guns that seem to leave an action impression on the factory aluminum lugs.
I DO NOT think the Lug is your issue with your gun, the measurements you mention are within spec of my guns….have you tried or made sure the barrel its free floated all the way back to the action…just with sand paper (see picture 5 of stock sanded near action). Just enough to have clearance to slide paper right to the action. These Lite barrels are noodles when firing big rounds with a lot of powder, any part of the barrel touching the stock when it heats up can open your groups up by “inches” depending on the load. Its worth a try, it did wonders for my 300wsm.
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21 Bullseyes
Dogdown is correct. The lug dimensions are set by the slot in the action not the slot in the stock. If you have an “loose” stock recoil lug recess in the stock, your best option is to bed the stock and tighten up the tolerances between the wood/plastic and the lug. Check out some smithing options elsewhere in this forum.
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21 Bullseyes
you do have other options, including complete bedding of your action. That is the rout i would go. Dont let the barrel get involved since you will be replacing the barrel eventually.
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1 Bullseye
The lug is loose in both the stock and barrel.
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105 Bullseyes
If it was my gun….
Considering the issues, I would try returning the gun…if thats not possible I would bed the action and recoil lug in another stock.
I still think its worth trying another stock and recoil lug. Like I said before, I can help you with that if you are in the Toronto area. We can bolt up my 300wsm factory stock and shoot it to see what it does.
Let me know if i can help. -
1 Bullseye
Do a little research about beding rifles.
What you want is a tikkia lug bedded rock solid in the stock.
The lug top foward face and the receiver lug front recess
Are the only items to make contact. A few thousands clearance on the top and no contact at rear of lug and receiver.
Reasoning is top clearance is Not to warp the receiver when tighting the action screws. Rear contact not needed as this is not a recoil surface. Botom line is you do not want to support the action via the lug. The stock supports the action the lug deals with recoil so as to not shift the action in the stock.The clearance is a good thing. -
1 Bullseye
Matchman is absolutely right. Look at terminalballisticsresearch.com in NZ as Nathan Foster has developed a very sound way of bedding T3s. It's more involved than a Rem, but not that hard to do. Devcon 10110 plastic steel (thick paste) or 10210 (liquid steel are the 2 options. You need a bedding surface of at least 60 thou (1.5mm) otherwise it can crack. Epoxy the recoil lug to the action recess to bed it, and once it's all set the lug will break from the action and be fixed in the stock. Good luck.
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1 Bullseye
If it was my gun….
Considering the issues, I would try returning the gun…if thats not possible I would bed the action and recoil lug in another stock.
I still think its worth trying another stock and recoil lug. Like I said before, I can help you with that if you are in the Toronto area. We can bolt up my 300wsm factory stock and shoot it to see what it does.
Let me know if i can help.I contacted Tactical Ordinance to see if he was interested in bedding my gun but he doesn't do hunting rifles, just tacticool stuff. Do you know anyone else who might be able to bed my rifle in the GTA?
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1 Bullseye
Yup – Mountain Tactical on here. Look on the Store website.
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105 Bullseyes
I contacted Tactical Ordinance to see if he was interested in bedding my gun but he doesn't do hunting rifles, just tacticool stuff. Do you know anyone else who might be able to bed my rifle in the GTA?
Thats too bad, I also thought they do it. Casey is a top notch gunsmith, he's worked on a couple of my guns. There aren't many people on TO that actually do it…I'll ask around.
I've done my own gun, its not a tough process but its still not easy to get it perfect.
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1 Bullseye
If you cannot or do not want to return it. Send in for warranty not for meeting the accuracy Guarantee.
I assume you have the plastic stock (Its really a good stock for a production unit, so much stronger than a hoge) , Ide say try bedding the lug (if someone here knows of and epoxy that sticks to this plastic)I had a Hunter with same issue… The mortis for the lug was a sloppy joke in the stock. I sold it as I did not want to deal with it for a hunting type rifle. I was so impressed with the feel of the action and great trigger I gave a CTR a shot. This plastic stock was really a tight fit but I ordered a Boyd laminated and milled it and tried my had at bedding (before I even fired it). I learned a lot. Was not a smooth experience. But if you want some info help (on bedding the lug PM me. You just need to see if there is an epoxy out there that will work on it.I would go no further on a plastic stock. Get a stock suitable for bedding if you want a full bed job.
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