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#6894142 - 09/21/17 07:08 AM Tikka CTR mag issues
patriot07 Online   content
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Registered: 11/06/11
Posts: 1897
Loc: Royse City, TX
Having some feeding issues with my CTR and I think it's all mag-related. After some testing, I figured out that the problem isn't that the rounds are just too low where I could open up the feed lips and fix it, but rather that they're tilting in the mag to where the bolt isn't picking them up. When I run the bolt forward, it knocks the front of the round back down and it'll pick it up next time through, but it's really annoying for an expensive rifle. I would say it happens once every 3 or 4 rounds on average, but sometimes it'll happen 2-3 times in a row and sometimes it can go through a full mag without happening.

Only things I can think:
- Is the spring flipped around front/back? Doesn't feel like there is a ton of pressure on the case head end of the round when I push down on it.
- Some type of adjustment to the feed lips - not sure if I should go wider or narrower or just adjust the front or back of the lip instead of the whole thing


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#6894153 - 09/21/17 07:24 AM Re: Tikka CTR mag issues [Re: patriot07]
FiremanJG Online   content
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Registered: 12/16/08
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Loc: Wolfe City, TX
Does the follower move freely without ammo in the mag? That looks like the follower is stuck.
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#6894160 - 09/21/17 07:28 AM Re: Tikka CTR mag issues [Re: patriot07]
patriot07 Online   content
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Registered: 11/06/11
Posts: 1897
Loc: Royse City, TX
Yes it moves, but it doesn't stay as level as I would expect it to. It tilts just like the ammo does pretty easily.

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#6894191 - 09/21/17 08:01 AM Re: Tikka CTR mag issues [Re: Buzzsaw]
patriot07 Online   content
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Registered: 11/06/11
Posts: 1897
Loc: Royse City, TX
Also, right now the gap between the feed lips is right at .410" front and back.

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#6894194 - 09/21/17 08:05 AM Re: Tikka CTR mag issues [Re: patriot07]
KRoyal Online   sleepy
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Registered: 01/24/07
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Loc: Sherman/North of Dallas
Maybe take the mag apart and clean/polish the sides of the follower. I've tried some mags that were gritty and they seem to do the same thing. They move freely, but get stuck sometimes on the side. My Savage 10 rounder did the same thing, a cleaning seemed to fix it.
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#6894217 - 09/21/17 08:20 AM Re: Tikka CTR mag issues [Re: patriot07]
Buzzsaw Offline
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Registered: 06/29/11
Posts: 10300
Loc: Frisco, Texas
will Tikka replace it?

once a mag goes bad, it will be bad again after you take the channel locks to it.

if You don't want it to cost you time in a stage, replace it.
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#6894237 - 09/21/17 08:30 AM Re: Tikka CTR mag issues [Re: patriot07]
patriot07 Online   content
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Registered: 11/06/11
Posts: 1897
Loc: Royse City, TX
I don't shoot competitively. It's just a range annoyance.

My plan is to take it apart like KRoyal suggested and clean up the follower a bit and maybe even lightly oil the insides of the metal sides. I'll do a good bit of testing afterwards and if I have any more issues at all, I'll probably just call Tikka and ask them to send me a new one with a return shipping label for the one I have. The issues were pretty easy to replicate last night so I should know fairly quickly whether the cleaning/polishing helped or not.

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#6894249 - 09/21/17 08:39 AM Re: Tikka CTR mag issues [Re: patriot07]
RedSnake Online   content
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Registered: 05/08/10
Posts: 3328
Loc: Dallas / Nolan County
Factory stock or aftermarket?
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#6894254 - 09/21/17 08:44 AM Re: Tikka CTR mag issues [Re: patriot07]
patriot07 Online   content
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Registered: 11/06/11
Posts: 1897
Loc: Royse City, TX
Factory everything. Just got the gun a couple weeks ago.

ETA: Very accurate gun. Got it out to 800 yards the other day at Jason's place without any hassle with a bone stock rifle using factory ammo. I had a good spotter though. rifle


Edited by patriot07 (09/21/17 08:47 AM)

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#6894264 - 09/21/17 08:59 AM Re: Tikka CTR mag issues [Re: patriot07]
RedSnake Online   content
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Registered: 05/08/10
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Loc: Dallas / Nolan County
I agree with kroyal. Sounds like the follower is not rising evenly. Try cleaning edges of follower and sidewalls of magazine. Otherwise it may be a weak or defective spring. The spring can't be flipped around as it is a W shaped flat spring with one end that fits in a molded in groove on undersurface of front end of follower. Easiest way I've found to disassemble is to push rear end of follower down with a pencil until the front end tilts back enough to clear the tabs on the front.

Btw. This is a handy tool for bending the feed lips evenly and without chewing up them up. Just a hint, don't let JG take a pair of pliers to them.

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#6894275 - 09/21/17 09:11 AM Re: Tikka CTR mag issues [Re: RedSnake]
FiremanJG Online   content
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Registered: 12/16/08
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Loc: Wolfe City, TX
Originally Posted By: RedSnake
Just a hint, don't let JG take a pair of pliers to them.


What the heck? I fixed yours with a pair of channel locks and got your brake unstuck with a 5/32" welding rod.
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#6894277 - 09/21/17 09:15 AM Re: Tikka CTR mag issues [Re: FiremanJG]
RedSnake Online   content
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Registered: 05/08/10
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Originally Posted By: FiremanJG
Originally Posted By: RedSnake
Just a hint, don't let JG take a pair of pliers to them.


What the heck? I fixed yours with a pair of channel locks and got your brake unstuck with a 5/32" welding rod.


Okay, Okay. You are one ingenious sumbitch.
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#6894287 - 09/21/17 09:24 AM Re: Tikka CTR mag issues [Re: patriot07]
patriot07 Online   content
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Registered: 11/06/11
Posts: 1897
Loc: Royse City, TX
So you don't disassemble this mag with some type of pin on the bottom? Never seen one like that. You pull out the follower through the front/top?

I'm at work so I won't have any access to this stuff until late tonight.

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#6894294 - 09/21/17 09:29 AM Re: Tikka CTR mag issues [Re: patriot07]
RedSnake Online   content
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Loc: Dallas / Nolan County
Yep. From the top.
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#6894296 - 09/21/17 09:30 AM Re: Tikka CTR mag issues [Re: patriot07]
Buzzsaw Offline
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Registered: 06/29/11
Posts: 10300
Loc: Frisco, Texas
love to follow fun DYI projects.

If Jason cant fix it


it's done
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