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Poor man’s AI picture thread (AICS)

Defiance Deviant I just snagged for this project.
 

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Hey guys, I have a post 14 AX AICS and I am looking for a short arca rail that is designed for the 14 slot extended palm/hand guard. I know that sawtooth makes one for the 11 slot but I was wondering if anybody knew of one that would be compatible with the 14 slot for the long action configuration.
 

I think this is what you are asking about, not sure though.
 
Anybody had any mag catch height issues with their AT-X AICS?
 
Skins were black.
Awesome. Bought a used ai aics chassis 1.5 legacy which is black on the outside but the od green on the inside of the panels so i guess they are painted. Need to remove the black paint somehow, its pretty stuck atm.
 
It is also known as methyl ethyl ketone (MEK)
2-Butanone is a manufactured chemical but it is also present in the environment from natural sources. It is a colorless liquid with a sharp, sweet odor. 2-Butanone is produced in large quantities. Nearly half of its use is in paints and other coatings because it will quickly evaporate into the air and it dissolves many substances.
 
Ken- is that a Barrett BORS? Is it operable?
Hey, Al. Yup, it’s a Barrett BORS on a S&B 5-25x56 PMII. Just got the setup in hand very recently. The BORS turns on and cycles through the menu options fully, from what limited time I have spent fiddling with the unit so far. Reading through the operations manual now before giving the BORS a test run (hopefully soon).
 
Ken- is that a Barrett BORS? Is it operable?
Static function test of the BORS menu options, including selection and zero of cartridge, and spinning the elevation dial post “zero cartridge”, indicates the unit is fully operational. Will look forward to seeing how the unit holds up on the range.

IMG_5430.jpeg
 
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Which magazines are you using with this? Also, what did you do about the trigger hanger? Thanks.
AIAW magazine. Like the ATX magazine, but without the small lip at the top front.

Trigger hangar fits just fine. But I did remove the rear magazine guide bracket. Runs fine without it.

I like the MKMachining grip, and added a self-made thumb rest and rear bag rider.
 
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Extra Poor - Howa 1500 - 6.5cm
My prarie dog rigs other one is a Savage .17hmr in a Mcmillan
 

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Need more pictures of that rifle, sooo nice
Here’s this R700 LA in an AICS life cycle, so far.
Originaly built in 2007 by a local gun plumber on an E prefix action with a PTG bolt he had lying around for use in unofficial F class matches on Quantico’s Range 4.

It was in green AICS 1.5 I bought new for under $600 from Midway, probably, and wore an 8.5-25X50 Mk IV on an BO base, rings and had an FTE brake.

All the pictures of this version are on a hard drive somewhere. Shot 208 Hornady AMAX over RL22 and 155 Scenars over IMR 4895. Barrel lasted 1800 rounds.

For the next version I had a PWS 2112 install another barrel and shit can the PTG bolt for a Rem LA bolt. This barrel is 23.5in

IMG_3563.jpeg

I used it for matches on Range 4 still with the Mk IV

IMG_2834.jpeg


Then I scored a used Gen 2 Razor for it

IMG_4078.jpeg


And hit the milk jug cold bore at 1K. A hit is a hit.

IMG_3941.jpeg


With 208 ELDMs over RL17

IMG_4012.jpeg


Then came a surplus Mk13 AICS 2.0

64177771230__118F69CA-1362-4327-B351-A598F6939F1A.jpeg


And a NF 35X ATACR and I found some green skins

IMG_9916.jpeg


This barrel lasted 1800 rounds so it currently wears the 30in 10 twist Brux by the same PWS 2112

IMG_6098.jpeg


Same reamer by the same dude with head space within .001 of the last barrel.

The additional 6.5in added quite a bit of velocity for the same 208 Berger over RL17 load.

IMG_6102.jpeg


I think I need to back it down. 🙄
 
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Just curious, why did you get rid of the PTG bolt? I really like mine...
Bolt handle broke off of it due to poor brazing from PTG. Should have been TIG welded to begin with. This is why I referred to the original builder as a gun plumber.

Before it broke, the handle was also improperly timed for primary extraction- mostly ejected the cases back on to the magazine follower.

I hated it.
 
But this is a thread about AICSs right? So what happened to the LA 1.5 AICS?

I put black skins on it and sold it to another Range 4 guy. The green skins go sold to a guy who “liked” my previous post.

The Range 4 guy decided he wanted an AICS 2.0 so I converted his 1.5 to a 2.0 because I had all the parts.

Howzat done? First remove the skins.

Use MAPP gas to heat the reciver/butt skeleton joint until it smokes and smells like burning hair. Drive out both 8mm pins with a punch.

IMG_4093.jpeg


Drive the butt skeleton off the receiver section with a block of wood

IMG_4094.jpeg


Remove all the old epoxy from the joint and install the hinge and folding butt skeleton. Drive the pins back into the joint.

71492834292__EC168D39-032E-4C5C-888F-1DA460477C47.jpeg


The dimensions have not changed from the AICS to the new style AT AICS, so either kind will work. The only difference is the hinge.

Now you have to figure out where the latching mechanism goes into the receiver section of the chassis.

71492883011__1E3A6BD4-E315-447F-B9AC-E60E45C61BF7.jpeg

Use a M5-08 screw that the head has been cut off of and pointed to locate the spot for the male portion of the latch by screwing in into the flooding butt skeleton female latch screw hole.

You’ll need the male and female latches for this.

71492856425__1F878082-BF57-4C66-B73D-DF035E43233E.jpeg



Center punch and use a drill press

IMG_4103.jpeg


Thread

71492967645__4D4B8FD9-7221-4A36-A647-6632B8F126E2.jpeg


Install male latch
IMG_4106.jpeg


Install female portion into butt skeleton and test

71492985244__0607395F-0C6B-45B3-9279-6DF6463778D5.jpeg


Put the skins back on and make sure you haven’t ruined your chassis by drilling holes in the wrong place.

71493001159__BAEA44E0-B57A-4183-85E1-AE1E6FC267DF.jpeg


And you’re done


71493167530__B542CBBB-733C-4924-87BB-B5DA2645333C.jpeg
 
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Here’s this R700 LA in an AICS life cycle, so far.
Originaly built in 2007 by a local gun plumber on an E prefix action with a PTG bolt he had lying around for use in unofficial F class matches on Quantico’s Range 4.

It was in green AICS 1.5 I bought new for under $600 from Midway, probably, and wore an 8.5-25X50 Mk IV on an BO base, rings and had an FTE brake.

All the pictures of this version are on a hard drive somewhere. Shot 208 Hornady AMAX over RL22 and 155 Scenars over IMR 4895. Barrel lasted 1800 rounds.

For the next version I had a PWS 2112 install another barrel and shit can the PTG bolt for a Rem LA bolt. This barrel is 23.5in

View attachment 8375348
I used it for matches on Range 4 still with the Mk IV

View attachment 8375349

Then I scored a used Gen 2 Razor for it

View attachment 8375351

And hit the milk jug cold bore at 1K. A hit is a hit.

View attachment 8375350

With 208 ELDMs over RL17

View attachment 8375359

Then came a surplus Mk13 AICS 2.0

View attachment 8375355

And a NF 35X ATACR and I found some green skins

View attachment 8375356

This barrel lasted 1800 rounds so it currently wears the 30in 10 twist Brux by the same PWS 2112

View attachment 8375357

Same reamer by the same dude with head space within .001 of the last barrel.

The additional 6.5in added quite a bit of velocity for the same 208 Berger over RL17 load.

View attachment 8375358

I think I need to back it down. 🙄
So nice, cant get enough of these chassis! Its just something special about them.
 
But this is a thread about AICSs right? So what happened to the LA 1.5 AICS?

I put black skins on it and sold it to another Range 4 guy. The green skins go sold to a guy who “liked” my previous post.

The Range 4 guy decided he wanted an AICS 2.0 so I converted his 1.5 to a 2.0 because I had all the parts.

Howzat done? First remove the skins.

Use MAPP gas to heat the reciver/butt skeleton joint until it smokes and smells like burning hair. Drive out both 8mm pins with a punch.

View attachment 8376132

Drive the butt skeleton off the receiver section with a block of wood

View attachment 8376133

Remove all the old epoxy from the joint and install the hinge and folding butt skeleton. Drive the pins back into the joint.

View attachment 8376135

The dimensions have not changed from the AICS to the new style AT AICS, so either kind will work. The only difference is the hinge.

Now you have to figure out where the latching mechanism goes into the receiver section of the chassis.

View attachment 8376138
Use a M5-08 screw that the head has been cut off of and pointed to locate the spot for the male portion of the latch by screwing in into the flooding butt skeleton female latch screw hole.

You’ll need the male and female latches for this.

View attachment 8376136


Center punch and use a drill press

View attachment 8376140

Thread

View attachment 8376141

Install male latch View attachment 8376144

Install female portion into butt skeleton and test

View attachment 8376143

Put the skins back on and make sure you haven’t ruined your chassis by drilling holes in the wrong place.

View attachment 8376145

And you’re done


View attachment 8376164
So now i just need to find folding skins on legacy chassis, and hinge…should be easy🤣
 
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Hi guys.
Posting this in here as it's not a proper one 😂
20240312_141317.jpg
It's actually a .243 Remington 700 action and barrel on an AI chassis. Timney 2 stage trigger. Wildcat predator 12 mod. Alas B10 bipod.It's topped with a Hik Alpex A50E day/night scope and Weaver mounts.
I rattle canned it myself some 18 years ago. Still going strong.
 
so, let me get this straight.


you can use an AT chassis and then get the "old school" AICS/AW thumbhole folding skins and everything lines up GTG?
 
so, let me get this straight.


you can use an AT chassis and then get the "old school" AICS/AW thumbhole folding skins and everything lines up GTG?
Yes. And no. The chassis frame itself is mostly exactly the same. However, there are some slight differences in two main areas, the bolt handle and front sling attachment points, that will either require modifying the legacy skins (different cutout for the AT’s flush cups vs AW and legacy AICS HK style sling hook attachment plates) or will just look a bit funky (legacy AICS had a square shroud surrounding the bolt handle area, which means the legacy skins have a big square cutout right there for them).
 
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so, let me get this straight.


you can use an AT chassis and then get the "old school" AICS/AW thumbhole folding skins and everything lines up GTG?
Check this out:

AT rifle vandalism part 1

Strip AT rifle, remove all flush cups because we don’t need no stinkin’ flush cups, mark cuts for skins with tape.

View attachment 8352844

View attachment 8352831

Cut skins as necessary with razor saw

View attachment 8352832

View attachment 8352833

Test fit

View attachment 8352834

View attachment 8352835

View attachment 8352836

Hey! One of the skin screws won’t pass through the chassis fore end! Use a 1/8” transfer punch to mark it.

View attachment 8352837

And drill a 15/64 hole because that’s what all the other holes in the chassis are.

View attachment 8352838

To be continued…

What about the barrel clamp bolt access hole?

Stop whining.

Use a 17/32 transfer punch and your AT fore skins to mark it and then drill a hole.
Start with a small bit and work your way up to 17/32.

Don’t be an idiot. Drill a 1/8 hole from the inside and then work up to the final size from the outside in. Chamfer the hole from the outside.

Dremels are for pussies who vape strawberry flavored shit.

View attachment 8352852

View attachment 8352854

Real men smoke Pall Malls and have COPD by age 50.

Check your work, if a 4mm allen socket fits, you’re golden.

View attachment 8352867


AT rifle vandalism, continued.

I’ve got a drill press in the garage but it’s crowded out there what with the nice car that’s never seen rain or salt on the trickle charger and all, and I think I’m out of propane for the heater anyhow.

View attachment 8353737

Anyway, it’s more fun to drive 10 minutes to your buddy’s machine shop and watch him drill holes in your chassis on his Bridgeport.

He’s not a gun guy at all but he’s knocked out by the interrupted threads in the receiver for the barrel.

View attachment 8353743

View attachment 8353869

I go home and assemble my shit. Everything is going swimmingly until I function check the rifle.

The trigger is stuck solid and won’t budge. Upon further investigation, I discover the mount for the trigger shoe is hanging up on the skins at the top of the skin’s trigger opening.

View attachment 8353746
The triangle shaped piece at the top rear of the trigger opening has to go. Razor saw:

View attachment 8353756

It worked!

View attachment 8353751

I had him counter bore the “stupid idea” early fore end for the counter sunk screw mounting of the late fore end. Maybe this summer I’ll debond the fore end and switch over to the early front sling swivel style.

Probably about the same time I pop off these skins and DuraCoat them OD green. It’s too cold to paint with that nasty stuff now.

Before

View attachment 8353873

After

View attachment 8353789

Edited to add- this mod will work with AICS skins, too.

With the AICS, you’ll have the big square bolt opening for the R700.

You won’t have to modify the trigger opening because that’s already done.

This is because the rear action mounting bolt opening is at the rear of the trigger opening.
 
Last edited:
Check this out:

AT rifle vandalism part 1

Strip AT rifle, remove all flush cups because we don’t need no stinkin’ flush cups, mark cuts for skins with tape.

View attachment 8352844

View attachment 8352831

Cut skins as necessary with razor saw

View attachment 8352832

View attachment 8352833

Test fit

View attachment 8352834

View attachment 8352835

View attachment 8352836

Hey! One of the skin screws won’t pass through the chassis fore end! Use a 1/8” transfer punch to mark it.

View attachment 8352837

And drill a 15/64 hole because that’s what all the other holes in the chassis are.

View attachment 8352838

To be continued…

What about the barrel clamp bolt access hole?

Stop whining.

Use a 17/32 transfer punch and your AT fore skins to mark it and then drill a hole.
Start with a small bit and work your way up to 17/32.

Don’t be an idiot. Drill a 1/8 hole from the inside and then work up to the final size from the outside in. Chamfer the hole from the outside.

Dremels are for pussies who vape strawberry flavored shit.

View attachment 8352852

View attachment 8352854

Real men smoke Pall Malls and have COPD by age 50.

Check your work, if a 4mm allen socket fits, you’re golden.

View attachment 8352867
Holy cow, this is awesome! Keep posting updates😅👍
 
Holy cow, this is awesome! Keep posting updates😅👍

I painted my shit with WWII OD Green DuraCoat a couple days ago since the weather is less sucky.

IMG_6702.jpeg


Done.


IMG_6718.jpeg


Obviously this is an Accuracy International AT rifle with AE Mk1 skins but this also works on AT AICS chassis with AICS skins for R700s.