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Keeper of the Ark.

  • u/chickenflavcookies · 2023-04-12 22:22:49 UTC · score 16

    Update : MAF said it’s most likely because this batch of charging handles was not hardened properly and unfortunately they don’t have a testing method since they are several steps removed from the OEM.

    All in all I’ve always had great success with MAF as well as the customer support being very friendly and understanding with common issues that can occur with these orders. Regardless of this issue I’m still a happy customer thanks to MAF🎉

  • u/fjohn624 · 2023-04-12 21:02:07 UTC · score 4

    Can you take a photo of what your buffer looks like? Oh and also are you using both recoil springs? There should be a long one and a short one… idk why, both the upper I got from MAF and my SI tac-9 have stacked springs rather than one long spring

  • u/Dazzling-Hunt8200 · 2023-04-13 00:20:45 UTC · score 2

    If this is an ongoing issue, maybe just machine that channel a bit further back.

  • u/Advanced-Payment-358 · 2023-04-12 20:36:27 UTC · score 6

    What is that made of? Would've thought charging handle is one of the last parts to fail in a gun.

    Note: said by a person who just broke a 4140 charging handle due to slight misfit of extractor that crammed a round in a chamber and had to mallet it out from there, bending the charging handle while doing lol.

  • u/coomer69420epstein · 2023-04-13 00:16:42 UTC · score 4

    Had the same thing happen and MAF hasn't responded to my month old inquiry.

  • u/Ericbc7 · 2023-04-12 23:44:39 UTC · score 2

    Is the charging handle slot to spec? Otherwise good idea to put buffer pad at back of receiver

  • u/TheLegionnaire · 2023-04-12 20:56:59 UTC · score 19

    It seems you need to add material to the buffer. Like maybe the bolt is going back too far?

  • u/shortbed454 · 2024-03-21 20:53:43 UTC · score 2

    Lol. Thank you. That one I can figure out.

  • u/BuffaloDouble1681 · 2024-03-21 20:06:28 UTC · score 4

    Looks like it was designed by a man in a chair, he likely enjoys double D's.

  • u/shortbed454 · 2024-03-21 19:02:51 UTC · score 2

    I figured that. What's the name?

  • u/shortbed454 · 2024-03-21 19:05:45 UTC · score 3

    Or who is the designer?

  • u/N0tch0 · 2024-03-22 21:14:41 UTC · score 1

    Esun PLA+ @ 220c

  • u/N0tch0 · 2024-03-21 18:41:20 UTC · score -6

    Not sure what I can really get into on this app. I’ll just say somewhere out in the ocean.

  • u/N0tch0 · 2024-03-21 18:38:30 UTC · score 1

    Yep 1 C per hundred rounds

  • u/N0tch0 · 2024-03-21 18:38:11 UTC · score 1

    43x frame and 43x rails

  • u/Rvarma8 · 2024-03-21 19:08:03 UTC · score -11

    Bro could you give the links for the full kit I want to buy it.. and things needed for it

  • The Ark @fosscad.io
    Noah
    BOT

    Shameless stl mod begging- full length rail 2011 or okboomer that accepts gsg mags and a grip safety

    Originally posted by u/cr4zyabu at 2025-06-29T05:40:35Z

    Reddit permalink


    I got a cwa 22lr conversion kit and slide but I lost my stealth arms jig shit would look bangin on one and I don't know cad at all


  • The Ark @fosscad.io
    Noah
    BOT

    What do we think of this one?

    Originally posted by u/imjeshy at 2025-06-29T04:33:32Z

    Reddit permalink


    Hello gents, I’ve come to you seeking some advice. Working on printing out this G3 lower in tough PLA. Any suggestions for me? Lower print speed maybe? It looks like I have a few areas with over extrusion? Not sure if that’s a temperature, cooling, or speed. Maybe even just the fill pattern? Played with the fuzzy skin as well, pretty cool stuff. PS don’t mind the short grip, I ran out of filament towards the end.


  • The Ark @fosscad.io
    Noah
    BOT

    Stringing on esun PA-CF

    Originally posted by u/WigginSpawn at 2025-06-29T03:29:41Z

    Reddit permalink


    Dipping my toes in nylon, and have run into some problems. 1st, it seems to run best at 290°, vendor recommendation is 260°, and I have a spice pi dryer, the 2kg one, but based on the looks of my prints and the stringing it seemed like it's not actually drying it, is it possible to over dry nylon?


  • The Ark @fosscad.io
    Noah
    BOT

    Feed issues

    Originally posted by u/ImpossiblePurple9574 at 2025-06-29T02:54:57Z

    Reddit permalink


    Only let off on shot then it jams


  • The Ark @fosscad.io
    Noah
    BOT

    Gen 5 files?

    Originally posted by u/Gimpy3825 at 2025-06-29T01:55:44Z

    Reddit permalink


    Are there any out there or is it only Gen 3???


  • The Ark @fosscad.io
    Noah
    BOT

    Bambu Sale Advice

    Originally posted by u/LINK617 at 2025-06-29T01:31:31Z

    Reddit permalink


    I'm about to pull the trigger on an x1c combo, but I need some advice on filaments. From research it seems like polymaker polymax pla | pla pro are some of the more generally recommended filaments for most projects, but what bambu filaments would you recommend I pickup to get started printing and take advantage of their sale?


  • The Ark @fosscad.io
    Noah
    BOT

    Airsoft FMG-9

    Originally posted by u/Standard-Royal-319 at 2025-06-29T00:25:36Z

    Reddit permalink


    It's just airsoft, but I figured I would share it here. Thingiverse thing 6567519 and the carry handle is from the chitin defense files (but it didn't fit that well). Video shooting it.

    (For NFA reasons I feel the need to say that this is airsoft only, and this printed model can not be converted into a firearm and is NOT an SBR)

    (I'm probably about to get clowned for the smudged camera)


  • The Ark @fosscad.io
    Noah
    BOT

    Airsoft FMG9

    Originally posted by u/Standard-Royal-319 at 2025-06-29T00:22:42Z

    Reddit permalink


    It's just airsoft, but I figured I would share it here. Thingiverse thing 6567519 and the carry handle is from the chitin defense files (but it didn't fit that well). Video shooting it.

    (For NFA reasons I feel the need to say that this is airsoft only, and this printed model can not be converted into a firearm and is NOT an SBR)

    (I'm probably about to get clowned for the smudged camera)


  • The Ark @fosscad.io
    Noah
    BOT

    how do i take my slide off

  • The Ark @fosscad.io
    Noah
    BOT

    Another Kabuto Safety Post

    Originally posted by u/TheAmazingX at 2025-06-29T00:18:52Z

    Reddit permalink


    I just want to signal boost the 3pos reset trigger Kabuto Filearms is working on. The poor fitting on the first release left me skeptical, but he followed up with a new version within days and I’m impressed. It fit perfectly in my MonoPoly, and I spent some time today remixing it to fit into the much narrower pocket of an SF5 lower. It only took me a couple hours to get a functional POC together, and I’m now confident this thing will be remixable for every platform we see the SS in now.

    In the long term, using SCS plates to reinforce it is also on my radar, but we need some torture tests on them to get a better idea of what would even be necessary, as the reset interface wear on this design seems much milder already.


    Source: https://

  • The Ark @fosscad.io
    Noah
    BOT

    Got an ar9 upper today, can you recommend a glock mag adapter for ar15s that I can print tonight and be ready tomorrow afternoon?

    Originally posted by u/monsieurLeMeowMeow at 2025-06-28T23:52:08Z

    Reddit permalink


  • The Ark @fosscad.io
    Noah
    BOT

    Has anyone else had bulging primers on the BB36?

  • The Ark @fosscad.io
    Noah
    BOT

    SS DB9-22/ SS CMMG 22L troubleshooting/help

    Originally posted by u/golf_pro1 at 2025-06-28T23:30:42Z

    Reddit permalink


    I attempt to upgrade my db9-22 to super safe last night, but I was unable to find a functioning rear trunnion that didn’t cause the bolt and lever to lock up at the rear. Does anyone know where I could find a file or has anyone done this yet? I was hoping for it to just work but I’m starting to think files may need to be modified further.


  • The Ark @fosscad.io
    Noah
    BOT

    Maine's eventual new requirement on PMFs - can you DIY it?

    Originally posted by u/gunzrcool at 2025-06-28T23:18:00Z

    Reddit permalink


    I know FMDA, etc etc...

    But hypothetically, if I'm into letting steppers step (don't kink shame) does this new bill just allow me to seralize the firearm myself or does it need to be done by an FFL? What about fed regulations? My google-fu says yes I can just serialize it myself per this law + fed rules but wanted to check how you all do it if you live in a state that has similar requirements.

    https://legislature.maine.gov/legis/bills/bills/_129th/billtexts/HP113101.asp


  • The Ark @fosscad.io
    Noah
    BOT

    The Sauerkraut Brace fits the Sudy23 with no mods.

    Originally posted by u/Tall-Library6069 at 2025-06-28T23:09:42Z

    Reddit permalink


    For anyone who needed one, I like it just a little better than Laffs'brace. I did use the Laff XL PDW sights though. I modified the rear sight by cutting the inner lip off one side so I could pop it over the top instead of sliding it all the way down the rail.

    Forgive the unfinished business end, I have to reprint the hand guard.


  • The Ark @fosscad.io
    Noah
    BOT

    BoreBuddy Trip after 1500ish rounds in the DEAR22

  • The Ark @fosscad.io
    Noah
    BOT

    How's this look

  • The Ark @fosscad.io
    Noah
    BOT

    Questions on parts before I order for deAR22 build

    Originally posted by u/cuban11182 at 2025-06-28T21:46:16Z

    Reddit permalink


    For the release on the deAR22 do I just need to purchase a dedicated 22 barrel like this: BoreBuddy Blaster 22lr Barrel (Lengths: 4.5, 7, 16") - BoreBuddy https://share.google/s6h6ONiznGBIqtXkU

    And a collar like this: 22lr Barrel Collar - BoreBuddy https://borebuddy.com/product/22lr-barrel-collar/

    I already have the CMMG drop in bolt carrier group.

    If you recommend or suggest another setup, please let me know.

    Thanks in advance.


  • The Ark @fosscad.io
    Noah
    BOT

    Would you be interested by a very compact electrically ignited pistol?

    Originally posted by u/Bjust_or_Bdead at 2025-06-28T21:30:15Z

    Reddit permalink


    Hello,

    Would you be interested by a design with 4 or 6 inline barrels and electrically fired pistol? I tried to take inspiration from the Bayle pistol to make a very compact pocket pistol without the need to have a semi-auto mechanism (need modern ammo and smokeless power for that) and not going the revolver way (too wide).

    I tried designing a purely mecanical system but it's a nightmare, I get why it never got popular. But I can do that purely electrically using nichrome ignition, an ATtiny13, 4 mosfets, few res and a small Li-ion battery. The nichrome wire would be in a sealed cartridge, so reloading woul be like the classic.

    I have tested it, it ignites BP everytime and instantly. Combined with pepper cartridges it would be like the guardian angel from Piexon, but with more shots, and reloadable.

  • The Ark @fosscad.io
    Noah
    BOT

    What’s your print with the most rounds through it?

    Originally posted by u/LiYBeL at 2025-06-28T19:34:50Z

    Reddit permalink


    I just hit 1000 rounds through my DB9 Alloy today! Most of them super safe because, of course. I’ve burned through about 25 stainless steel trip bars and two PLA+ mags but the PA6-GF for the frame has help up perfectly.

    What about yall? 3D2A has come a long way in the last few years