How do you know what came with the rifle? How hard is it to remove and reinstall the new rail? I am self-admittedly challenged.
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My rifle came without one.
I bought the low.
It is on its way back to me with the high, to match the AX stock.
I am impatient to measure it myself.
-Stan
Your AI came without a rail of any kind?My rifle came without one.
I bought the low.
It is on its way back to me with the high, to match the AX stock.
I am impatient to measure it myself.
-Stan
I thought I remembered some AT's shipped without rails?
Went through GB to looks at past action.
Wish I would have seen this one while it was active.
Would have like to bid on this one too.
Went through GB to looks at past action.
Wish I would have seen this one while it was active.
Would have like to bid on this one too.
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Without accessory rails up front but absolutely a scope rail.
Thought I remembered some shipping without scope rails. Getting older I guess. I see they all have them now as standard.
AWs used to be dovetail by default, and a picatinny rail was optional.
ATs always came with a low or high NV-compatible picatinny rail as far as I know.
ATs for quite sometime were sold without action rails, by MHSA.
From Euro Optic, the low rail was included.
From Euro Optic, the low rail was included.
Mile High's picatinny rails were probably on a 10 month backorder with AI, lol
I don't remember the rails not being included with the AT from MHSA, but I remember the low rail being standard and the high rail being optional. Maybe that was after the initial batch.
I remember, when I bought my AT from MH. They were not included. But they were from Euro. Since they weren’t included, I had them throw on the high action rail out of the gate.
I bought a 2021 AT from EO- came without a scope mount. EO had none in stock at the time so I got one from MHS.
And back to my original question - how much taller is the tall scope rail than the standard one?
-Stan
-Stan
I can't give an exact measurement as I sold my ATs several years ago and don't have both rails in front of me, but I think the tall version is about 1cm (0.400")-ish taller than the standard low rail.
You want the tall if you’re going to run the NV bridge.
MH told me that they are a quarter inch different. The photos above seem to substantiate this.
Can anyone tell me what torque value to use when installing the AT High Action rail? The manual provides no information that I can see.
3.0 Nm per the armorer's manual, which is 26.5 in-lb.
Feel free to verify with Mile High.
That seems odd, fastener diameter and pitch and the threads in the action doesn't change between the low and high rails... Unless AI provides lower grade fasteners with the low rails and higher grade fasteners with the high rails which explains the torque difference; a possibility, but odd.
Or they revised the torque spec at some point and my page from the armorer's manual shows the older value. My 2015-ish copy only lists the fastener diameter, location (scope rail), and 3.0Nm.
A search here shows the same conversation happened in 2018 where the AT armorer's manual showed 3.0Nm but someone called AINA and they said 35 in-lb (3.95 Nm.)
@Nik H, sounds like a call to Adam at Mile High might be in order...
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Asking for a friend…is it wrong to want more than one AI?
That’s why you start with the AXMC/SR. That way you can justify the whole “well I mostly shoot short action so wouldn’t it make sense to make this a dedicated long action and just buy a dedicated short action AI?”
::whispers while staring into safe at the lonely AXSR::
“…soon…”
“Don’t you already have one of those?”
“Yeah, but this one is sage green.”
“Yeah, but this one is sage green.”
I will call. The rail shows up tomorrow.
Do you use Blue Loctite or any other material on the fastener?
Do you mean the fasteners that attach the rail to the action?
Correct. VERY LITTLE on the screws themselves. Else it WILL seep right into the action itself. Ask me how I know ... Isn't hard to clean if so, just annoying and excessive. One small drop is all that is needed.
If you're very rough with your rifle, the same amount on screws for the NV rail mounting system, or side rails, can also be done. I don't personally run this, and I just check torques as necessary. Including scope screws, etc. I don't run as rough as others though. And I'll invite alternative input on this subject.
I recommend putting blue or 603 green loctite on the rail screws and on the bottom of the rail. This will help when the rail is mounted to seal the rail/receiver interface and prevent rust in-between.
I've created the Poortex equivalent of putting fancy wheels on a '92 Civic. But hey, now I've got 58 mils of usable elevation.
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Thanks for the information. I am not so great with delicate mechanical things.
I'll see what the factory does when I take it apart. I always learn something when I do that. I also know my limitations, though.
Waiting for the LH Sage!
Does the high rail use a socket head screws rather than a countersunk screw? I seem to recall that even though it’s not too much taller. I did have an issue with the heads of the countersunk screws though…that may be the limiting factor rather than the threads. The heads seemed very malleable even for such a low torque. Luckily that made it easy for me to force a larger torx bit in to get some bite.
Good point, the low rail may use reduced head height socket head screws or flatheads so they don't stick up above the rail, while the high rail might use regular full height head socket head screws since there's plenty of room for a deep counterbore. Much like button head screws, the reduced height head screws have lower max torque values than standard full height head socket cap screws.
I don't have my ATs anymore and even then I never had the high rail, so I don't know if the hardware was different. Earlier I was citing the page out of the 2015ish AT armorer's manual that only lists 3.0 Nm for the scope rail screws; no mention of high or low rail.
FYI — If you have an AI AT with the Anarchy Outdoors thumb rest, and you have the AX stock modification done, Mile High will, for an extra fee, install the AX stock so it folds to the non-bolt handle side so you can keep the thumb rest.
Yeah, yeah the folded size is now thicker, but the only time I fold my stock is for cleaning.
-Stan
Yeah, yeah the folded size is now thicker, but the only time I fold my stock is for cleaning.
-Stan
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Man…. I’m glad I don’t have to give up the right folder to have a thumb rest with my Vision Chassis because I wouldn’t do it. The vision thumb rest is low profile enough to have both though.
I had been thinking about buying in AX stock to swap the vision out because I’m not terribly fond of the bagrider on the Vision. But I’m curious what the weight of the AC stock assembly is.
