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AICS pattern AR

Snuby642

Snuby642

Two Star General
Full Member
Minuteman
    • Feb 11, 2017
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    So why has someone not made an aics pattern ar reciver?
     
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    No, for the extra lenght rounds you could use same as for bolt guns.

    It would involve changes to recievers, bcg and maybe trigger group.

    You could throat barrels longer to take advantage, minor thing.

    Same reasons it's done for bolt guns basically.
     
    It would be for competition / hunting not for work.

    I can't belive a custom firearms manufacturer (not assembler) hadn't done it just for fun.
     
    Innovation, kind of like building the extra long magazine. (Extra deep)

    Next step, build semi automatic platform for it.

    Because you can.
     
    Last edited:
    The OP has a point- why not do it for shits and giggles? I mean- one can buy an inflatable sheep on the internet...
     
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    Why in hell would you want an inflatable sheep?


    You can just get Craig's list hookers.

    Point is 0.140 thousands more mag room.
     
    I’ve got 2 genuine AI aics 5 round mags, as well as a few magpul aics pattern pmags. The AI mags are not mystical. The clouds don’t part when used. Honestly, they’re a let down for what they cost. They feed worse than the magpul mags. The follower design is a joke played on the entire shooting community. And, they’re a pain in the ass to load- compared to a SR-25 pattern mag. I MUCH prefer to run SR-25 pattern mags in my RPR. They are more reliable than AICS mags, and less prone to allow nose diving rounds. I swear, if you see someone with a mag issue at a PRS event, it’s because of a fucking AICS mag- and mag malfs are embarrassingly common. Maybe AI has it figured out on their chassis, but fuck if anyone else has it figured out. Nope nope nope on aics mags in a rifle that needs to be reliable.

    Edit to add… who the fuck wants an AR built around 10 rounds mags?
     
    Last edited:
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    I don't know what the mag length is but wouldn't this just be a Armalite AR-10B mag lower pretty much?

    I think it's similar to a AICS with the binder plate going from a 10yo memory.

    My buddy had a Larue(I think) 308 SBR that ran those mags.
     
    Well I didn't limit it to small frame but that's my main deal.

    None of it would matter in short range play, but if you want to dig deeper it could open up choices .
    The aics existing mags would be fine.
     
    Last edited:
    What's considered max OAL for the AICS? 2.883"?

    Here's a list of various mags:

    Knights Armament Co. 20 Round USGI Steel M110/SR25 2.88

    Knights Armament Co. KM98036-1 20 Round Steel M110/SR25 2.875

    Knights Armament Co. KM98037-1 10 Round Steel M110/SR25 2.867

    DPMS Gen I & II Steel M110/SR25 2.82

    Heckler & Koch HK91 Pre Ban Aluminum HK91 2.899

    Heckler & Koch 417 Hybrid 417 2.9

    C Products M110/SR25 Steel M110/SR25 2.874

    FN Herstal SCAR Steel SCAR 2.873

    Ammunition Storage Components M110/SR25 Steel M110/SR25 2.865

    Ammunition Storage Components SCAR Steel SCAR 17 2.865

    Heckler & Koch M417/MR762 Steel 417/MR762 2.861

    Patriot Ordinance Factory P308-25 Steel POF 308 2.845

    Lancer L7 AWS Hybrid M110/SR25 2.835

    Armalite B Series Steel ArmaLite B Series 2.83

    ProMag Steel M110/SR25 2.83

    Mag-Tec Steel M110/SR25 2.83

    IMI Defense 7.62 G2 Polymer M110/SR25 2.825

    Rock River Arms LAR-8 Polymer FAL 2.825

    D&H Industries 10 & 20 Steel M110/SR25 2.822

    Magpul LR/SR Gen II Polymer M110/SR25 2.82

    Magpul LR/SR Gen III Polymer M110/SR25 2.82

    Brownells USGI Aluminum M110/SR25 2.82
     
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    That's nice how about a list for small frame.
     
    Snuby642 said:
    No, for the extra lenght rounds you could use same as for bolt guns.

    It would involve changes to recievers, bcg and maybe trigger group.

    You could throat barrels longer to take advantage, minor thing.

    Same reasons it's done for bolt guns basically.
    Click to expand...
    What caliber and length rounds exactly?
     
    For what caliber????

    I run KAC and ASC SS large frame mags for 6.5cm....they allow COAL of 2.865" for ASC and my KAC allow 2.87

    I dont load 6.5cm rounds even close to this....so there are mags that give you long coal in large frame gasser. I have no reason to need longer coal in my 6.5cm gasser with these mags shooting 140gr 6.5 projectiles...
     
    Tell me more about cutting mags.

    I know I can get + 0.02 with steel which I'm not fond of but that's not going to allow the heavies.

    223 is what I fool with the most in gassers but also load 6.5g which could also benifit for some bullets.

    I figure any of the small frame cartridges could benifit.

    No large frame gassers in my stall.
     
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    Snuby642 said:
    Tell me more about cutting mags.
    Click to expand...
    Pretty much exactly what it sounds like.
    20211206_174037.jpg
    20211206_174027.jpg
    This combined with a relief cut in the magwell will get you to 2.41" ish. Those are 75ELD's at about 2900, a pretty big step up in performance from average mag length loads, but not big enough to re work the entire AR platform for.
     
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    TonyTheTiger said:
    Pretty much exactly what it sounds like.
    View attachment 7755231View attachment 7755232This combined with a relief cut in the magwell will get you to 2.41" ish. Those are 75ELD's at about 2900, a pretty big step up in performance from average mag length loads, but not big enough to re work the entire AR platform for.
    Click to expand...
    Holy shitballs, what’s all over that mag and rounds?
     
    I tried a cut mag in my 308 and the cartridges don’t feed for shit. Maybe I need to do more deburring, but a mag that fed fine before the cut (at 2.80 OAL) doesn’t feed at 2.88. Maybe I should do more investigation. There is a REAL difference in group size from 2.80 to 2.88 with this load…
     
    I thought you might be talking about the stock portion which I played around with on the design side for a day. I thought about putting in another day on it and 3d printing it to play with but it's way down the priority list.

    AI Style AR15 Lower.png
     
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    That's innovation can you scrape up enough room for an aics mag without changing geometry for upper fit ?
     
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