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Accuracy International AT-X

I always wondered if a Tubb two stage trigger would be really similar to an AI trigger. Visually it looks very similar and some AI shooters that I know seem to like them on other guns.

That is what I have in mine. Feel free to swing by and try them.

But they are physically larger and require a little milling machine intervention to fit in most chassis.
 
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Finally got my hinge in today but I am apparently not smart enough to get the hinge open to install on the rifle....

Any pointers?
Put one side of the hinge in a vise. Depress the locking button while tapping the other end of the hinge open with a rubber mallet.
 
Or use the stock and chassis. Stick the male ends of the hinge in the holes then push the button and open the hinge. I used caveman tactics my first install but using the stock and hinge is the best method.
 
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Rifle at 25 lbs.
52577769990_af23d40b83_h.jpg
 
Forgive the newbish question here but what other calibers can you run on the AT-X looking into a Proof Carbon barrel for hunting to save a bit of weight and wondering what options are on the table. My understanding is anything within the 308 family of calibers but is that it? Are any of the PRC chamberings possible or is it just the ones below from the "308 family" ?
  • 243 Win
  • 260 Rem
  • 7mm-08 Rem
  • 308 Win
  • 338 Federal
  • 358 Win
 
Forgive the newbish question here but what other calibers can you run on the AT-X looking into a Proof Carbon barrel for hunting to save a bit of weight and wondering what options are on the table. My understanding is anything within the 308 family of calibers but is that it? Are any of the PRC chamberings possible or is it just the ones below from the "308 family" ?
  • 243 Win
  • 260 Rem
  • 7mm-08 Rem
  • 308 Win
  • 338 Federal
  • 358 Win
Um 6 and 6.5 Creedmoor aka the best cartridges for everything.

8B79B14D-A7E2-4361-A40F-54B64D1E5A07.jpeg
 
Forgive the newbish question here but what other calibers can you run on the AT-X looking into a Proof Carbon barrel for hunting to save a bit of weight and wondering what options are on the table. My understanding is anything within the 308 family of calibers but is that it? Are any of the PRC chamberings possible or is it just the ones below from the "308 family" ?
  • 243 Win
  • 260 Rem
  • 7mm-08 Rem
  • 308 Win
  • 338 Federal
  • 358 Win
You can't shoot any PRC cartridges on the factory bolt due to the larger rim.

The biggest case you can shoot off a standard bolt face in a short action would be the 284win case. But you run into issues with overall length.

You can get an aftermarket magnum bolt face from bugholes, or wait for the factory bolt (but that could be years away or never come at all).
 
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Admittedly looking at the extended rail of my tempest I'm worried about the full length forend fitting under that gap. Think I might have to switch rails.
 
Admittedly looking at the extended rail of my tempest I'm worried about the full length forend fitting under that gap. Think I might have to switch rails.
I think you'll be okay? There's a gap between the long bridge and the action. This is the atx aics chassis with bridge and folder, Archimedes and HH heavy comp 6gt barrel.
 

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Back at it again.

Question though I’m having some feeding issues with my AW mag. Which I’ve ran an AW with my tempest since the guns inception. Is there a way to adjust the mag release or do i need to get an atx mag?


1C1CEB74-AED2-4FEA-9BF8-9BEE978A8738.jpeg
 
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I’ve had better luck with AX mag. It has that hook on front that seems to hold the mag up and tighter. I did have to slightly open mag lips up a bit to get the rounds up high enough.

BTW if you run a HRD mag spacer for the BR family you have to slightly modify the rear spacer piece so it doesn’t interfere with the mag stop on the atx chassis.
 
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I’ve had better luck with AX mag. It has that hook on front that seems to hold the mag up and tighter. I did have to slightly open mag lips up a bit to get the rounds up high enough.

BTW if you run a HRD mag spacer for the BR family you have to slightly modify the rear spacer piece so it doesn’t interfere with the mag stop on the atx chassis.
I've got a buddy who's gonna sell me an AX mag so I'll give it a shot. I'm running 6.5x47 so should be fine. Is the mag latch adjustable?
 
I've got a buddy who's gonna sell me an AX mag so I'll give it a shot. I'm running 6.5x47 so should be fine. Is the mag latch adjustable?
Ive fiddled around with both my atx chassis and I do not believe they're adjustable, at least I haven't figured it out yet.
 
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Kinda dumb that they haven’t figured out that an adjustable mag latch would resolve probably 95% of their documented feeding issues, but… a lot of what they do doesn’t make any sense so I guess I’m not really surprised.

@5RWill it may be worth sending your mags in to AINA to have them checked/tweaked and ensure they are “within spec.” There was a run of AWs a while back that had some geometry issues so they will look at them if you ask.
 
Back at it again.

Question though I’m having some feeding issues with my AW mag. Which I’ve ran an AW with my tempest since the guns inception. Is there a way to adjust the mag release or do i need to get an atx mag?


View attachment 8029990
I had plenty issues with feeding before i opened up the mags. since then, AX & AW mags have run floorless with both 6BR and 6.5CM. Amazing that one 2 min job has resulted in zero feeding issues. Cheers
 
I’ll have to try that.

I’ve got 5 mags and every single one will fail to feed. It went from a mild annoyance to wtf.

I didn’t really want to “tune” my mags for a 4K rifle. But with 6cm, 6.5cm and sometimes even 308 the bolt slides right over. I pulled the springs to add more tension and that did nothing.

Someone was talking at the range, I didn’t catch it all but they said in the Gen 2, accessing the trigger housing was made easier? Also the Gen 2s fixed the feeding problems?

Is there a reference to the updates from gen 1-3? Not that it benefits me as a poor ol gen 1 guy.
 
I’ll have to try that.

I’ve got 5 mags and every single one will fail to feed. It went from a mild annoyance to wtf.

I didn’t really want to “tune” my mags for a 4K rifle. But with 6cm, 6.5cm and sometimes even 308 the bolt slides right over. I pulled the springs to add more tension and that did nothing.

Someone was talking at the range, I didn’t catch it all but they said in the Gen 2, accessing the trigger housing was made easier? Also the Gen 2s fixed the feeding problems?

Is there a reference to the updates from gen 1-3? Not that it benefits me as a poor ol gen 1 guy.
A friend of mine got the info from Scott S. Mines Gen1, open up in middle near rib, to match measurement at base (usually 1.5-2mm needed), Done. HRD kits run floorless, AX/AW etc. Been discussed few times on here. Cheers.
 
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I had plenty issues with feeding before i opened up the mags. since then, AX & AW mags have run floorless with both 6BR and 6.5CM. Amazing that one 2 min job has resulted in zero feeding issues. Cheers
So I’ve never had feeding issues with the aw for 6 years now with the tempest which is why i think it’s a latch issue. But I’ll see if the AX mag fixes it.

We don't speak about AT-X magazine issues here, it might summon @Scott Seigmund
Well this is the chassis which was designed for 700s so the latch is probably set for AICS mags, thinking about it.
 
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Well this is the chassis which was designed for 700s so the latch is probably set for AICS mags, thinking about it.
It is called the atx aics chassis, I'm not surprised AW/AX mags are troublesome. I know my ARC aics mags run great with the 3 lug ARC actions, as well with my zermatt actions in br, gt and creed cases, zero mag tuning required.
 
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It is called the atx aics chassis, I'm not surprised AW/AX mags are troublesome. I know my ARC aics mags run great with the 3 lug ARC actions, as well with my zermatt actions in br, gt and creed cases, zero mag tuning required.
Yeah so it will likely need adjusting. The tempest was pretty much designed for the AW though. One of the perks of 3-lugs is running a double stack double feed AW. Wonder if i can remove it and have it filed down I’m sure i can. I had to do that for all my manners for the AW mag.
 
Yeah so it will likely need adjusting. The tempest was pretty much designed for the AW though. One of the perks of 3-lugs is running a double stack double feed AW. Wonder if i can remove it and have it filed down I’m sure i can. I had to do that for all my manners for the AW mag.
Do you think the mags riding too high? Too low? The AX mag will fit with nose higher as the front lip will help that. If your bolt is riding over rounds, you need more case head presentation which requires a taller mag latch or modding feed lips to gwt rounds up higher. DSDF mags can be tricky.
 
Do you think the mags riding too high? Too low? The AX mag will fit with nose higher as the front lip will help that. If your bolt is riding over rounds, you need more case head presentation which requires a taller mag latch or modding feed lips to gwt rounds up higher. DSDF mags can be tricky.
Bolt is riding over. Which i can see the case head isn’t being picked up by the bolt. With a full mag it only happens on one round. So maybe it’s going to require some feed lip adjusting. I’m gonna see how the ax works out if that resolves I’ll sell the AW.
 
Bolt is riding over. Which i can see the case head isn’t being picked up by the bolt. With a full mag it only happens on one round. So maybe it’s going to require some feed lip adjusting. I’m gonna see how the ax works out if that resolves I’ll sell the AW.
That’s my issue as well. Happened with my AX mags including the one it came with.
 
That’s my issue as well. Happened with my AX mags including the one it came with.
Found out the issue today. There is what looks like a guide plan for the aics mag that hits the rim of the case when it’s on the left if i slide it forward it pops up just fine. So it’s not really the feed lips or the latch.
 
I haven't read all the pages of this thread so my apologies if this is a repeat question....
But who is the genius that thought of selling the AT-X ONLY in 6.5 Creedmoor? The vast majority of shooters in PRS shoot a 6mm bullet and there's no factory 6mm options? So one must pay $5200 ish for a rifle then drop almost a Grand on a barrel if they don't want to shoot a 6.5 Cr?