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Remington 700 SPS AAC-SD with X-Mark Pro Trigger Doesn't fit properly in AICS 1.5 Chassis.

Snip3r

Private
Full Member
Minuteman
Jan 23, 2013
71
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Orange County, CA
Just tried to install my new Remington 700 SPS AAC-SD .308 with factory X-Mark pro trigger in my AICS 1.5 Chassis (used, not sure how old it is). I am unable to disengage the safety (set to fire). As I lower the action into the chassis, the safety switch is forced from fire to safe. After installation, I can only move the switch about half way towards fire before it hits somewhere in the chassis. I reinstalled several times and had a friend try it as well. No luck.

The whole point for me was that I wanted something that was an easy bolt on.

Anyone else have this issue?
 
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Figure out where it is hitting and trim it back.
 
Figure out where it is hitting and trim it back.

Yeah I'm trying. Took off the skins to get a better view of what's going on. Was hoping to not have to take a dremel to my stock for a factory trigger to work.

I'm looking around for some pics of what the inletting would look like for this setup, but none exist because it's supposed to work fine without modification.
 
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Here is a review of the AICS that addresses that problem with a Timney trigger and the author's modification.

AICS-4.jpg


AICS-5.jpg
 
Here is a review of the AICS that addresses that problem with a Timney trigger and the author's modification.

AICS-4.jpg


AICS-5.jpg

Yeah I came across that one while scouring the internet. The safety on the new X-Mark Pro trigger hits on the opposite site.

Here's where the safety has a problem:

XMarkSafetyConflict.jpg



The chassis has a channel for the safety mechanism on the correct side, but it doesn't extend far enough up to be of any use.
 
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My X-Mark Pro on my SPS Tac. didn't have that issue. I did have an issue with the front sear/trigger pin. I milled a divot to resolve the issue. It was making contact right behind the bolt handle cutout. Just a suggestion.
 
Make certain your recoil lug is straight. The past two 700's I've bought have recoil lugs that are canted and one corner of the recoil lug hits the bottom recess in the lug channel. This throws the entire action off-kilter in the stock. Both have been canted to the right which in turn pushes the bbl'd action to the left. If you still have the factory stock drop the action back into it and install the action screws. It will probably ride to the left side of the bbl channel while in the stock. You can also check the recoil lug alignment by removing the action and installing the front screw and using it as a reference for bottom-dead-center. Heres a picture of my VLS:
Remington700Recoillug005_zps84e90061.jpg
 
^^^^

WOW...

What's the easy fix for this? My AAC barrel "appears" to stray to the left ever so slightly. But it shoots just fine.
 
^^^^

WOW...

What's the easy fix for this? My AAC barrel "appears" to stray to the left ever so slightly. But it shoots just fine.

I had to loosen the action and straighten the lug then secure the lug with the badger tool and retighten then verify head space...easy and quick fix if you have the tools and most smiths will do it for around $30 if you don't have the tools.
 
If I recall correctly, I had this same problem last summer when attempting to mate an AICS 2.0 to a rifle with the X-Mark (non-Pro) trigger, and indeed it was the lower front "corner" of the safety lever that was hitting the chassis inlet. Following the advice to always carve away at the cheaper part, I took off a small amount of material from the safety lever until the interference was gone. This only took a few minutes using a rotary tool; using a file would have also been practical, considering the minor modification required.
 
If I recall correctly, I had this same problem last summer when attempting to mate an AICS 2.0 to a rifle with the X-Mark (non-Pro) trigger, and indeed it was the lower front "corner" of the safety lever that was hitting the chassis inlet. Following the advice to always carve away at the cheaper part, I took off a small amount of material from the safety lever until the interference was gone. This only took a few minutes using a rotary tool; using a file would have also been practical, considering the minor modification required.

There didn't seem to be much meat on the safety lever to trim off, so I ended up extending the existing channel that was in the area with a rotary tool. Works fine now.

I will take a look at the recoil lug when I tear everything back down this weekend to touch up some spots with a paint pen. It looked straight to me at the time.
 
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My X-Mark Pro on my SPS Tac. didn't have that issue. I did have an issue with the front sear/trigger pin. I milled a divot to resolve the issue. It was making contact right behind the bolt handle cutout. Just a suggestion.

I suspected it was the safety lever, so I put some chalk on the end of it and dropped the action in to verify what was hitting and it was definitely the culprit.
 
There didn't seem to be much meat on the safety lever to trim off...

I didn't take any pictures at the time, but I seem to recall that very little material needed to be removed. I should have taken some pictures, but I was apparently in a hurry :(

Now that I think about it, I think I also had to trim the end of the spring slightly - it was left a bit long from the factory, and was dragging on the side of the inlet.
 
I had to loosen the action and straighten the lug then secure the lug with the badger tool and retighten then verify head space...easy and quick fix if you have the tools and most smiths will do it for around $30 if you don't have the tools.

Having the same issue putting my new action into my AICS. Since I don't have a good method of measuring headspace or adjusting the action, I am taking it to my local smith tomorrow, and hopefully it gets sorted quickly. A little annoying for a new rifle, but what can you do...
 
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Rifle basix 700 triggers clear on an aics. If u don't like the xmark there is the option of swapping out triggers.
 
I took everything to my smith to get it all done correctly. I have a Jewell trigger, and that required some inletting on the AICS as well. Common issue. IIRC the smith charged me like $50. I felt that was more than fair.
 
Make certain your recoil lug is straight. The past two 700's I've bought have recoil lugs that are canted and one corner of the recoil lug hits the bottom recess in the lug channel. This throws the entire action off-kilter in the stock. Both have been canted to the right which in turn pushes the bbl'd action to the left. If you still have the factory stock drop the action back into it and install the action screws. It will probably ride to the left side of the bbl channel while in the stock. You can also check the recoil lug alignment by removing the action and installing the front screw and using it as a reference for bottom-dead-center. Heres a picture of my VLS:
Remington700Recoillug005_zps84e90061.jpg

WOW

WOWOWOW. Sorry... but THAT is really bad. quick thread resurrection/ hijack.

After owning my remington for a couple years and considering ALL of it's features. I can tell you I like exactly TWO things about the FACTORY gun.

1) The barrel is accurate.

2) Everybody makes stuff for it.

That's it. Otherwise this thing fails. Not as a format... but as a REMINGTON product.

Rem QC is miserable. Here is my stock gun gripe list:

Trigger creeps, trigger varies, trigger pulls at 7 pounds.. Feeding is unreliable: Follower is crap, spring is antiquated, feed rails are not quality controlled closely enough to actually do their job. Ejector is unreliable. Scope mount surfaces are off square FROM EACH OTHER. Action bolts are off center. Stock touches the barrel on a rest. Barrel is SENSITIVE to bullet weights. 150 grains gets me 2 MOA, Federal 168s gets me .75 MOA, Milsupr LR 118 175s gets me 2 MOA. Halelujah hand loaded 175 SMKs get me 1/3 MOA.

I've replaced almost everything about my factory 700. Now all that remains is the barreled receiver and the originial firing pin..... that may need to go.

Again, the format is fine.. lots of good third party products out there. But remington's products these days? Wow. Keep looking.