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Forum: MAC-10 Talk

Discussion relating to the M-10, M-11, and the rest of the MAC/RPB firearms family.

  1. Sticky Thread The official MAC picture thread

    Post'em here, lets see what you've got. I've changed it around once again, so one more picture to come soon.

    Started by bruh44‎, 01-08-2008 10:04 AM
    56 Pages
    1 2 3 4 5 6 7 8 9 ... 56
    • Replies: 1,105
    • Views: 1,145,314
    10-11-2020, 12:17 AM Go to last post
  2. Sticky Thread Web Sites...

    I cannot find the threads or my links to various web sites for MAC parts and conversion kits, like uppers for the M10/9... Could we please get a tacked thread listing the various places to find MAC stuff? :D

    Started by Energizer‎, 03-17-2006 02:48 PM
    4 Pages
    1 2 3 4
    • Replies: 60
    • Views: 179,530
    10-07-2017, 10:10 AM Go to last post
  3. Sticky Thread Use the SEARCH feature!

    Not to hinder discussions, but a good percentage of post are asking questions that have been covered several times before. I am just as lazy as the next guy so I get that it seems easier to post a question than to search for an answer, however using the search button will give you hours of reading...

    Started by chili17‎, 06-24-2010 04:09 PM
    • Replies: 11
    • Views: 52,837
    07-20-2017, 10:44 AM Go to last post
  1. Conversion to 9mm makarov?

    9mm Makarov aka 9.18 mak is much more reasonably priced than 9mm Luger, and it's about the same OAL as .380 so I am thinking it would work in Zmags. What would I have to do to shoot it?

    Started by Gaujo‎, 10-14-2020 08:50 PM
    • Replies: 16
    • Views: 386
    Today, 04:32 PM Go to last post
  2. Congratulations to Richard Lage

    He was granted U.S. Patent No. 10,794,647 today. ...

    Started by SecondAmend‎, 10-06-2020 09:53 AM
    2 Pages
    1 2
    • Replies: 32
    • Views: 1,362
    Yesterday, 10:03 PM Go to last post
  3. Suomi Coffin Mags 2.0

    I have found a company that is willing to make the springs if we order enough to cover machine setup and down time for testing. They do ask for a deposit for the reasons mentioned above, but in the unlikely event the springs are not produced you will be refunded your money. Basically half up...

    Started by klyph12‎, 03-23-2018 09:34 AM
    17 Pages
    1 2 3 4 5 6 7 8 9 ... 17
    • Replies: 331
    • Views: 74,496
    Yesterday, 08:22 PM Go to last post
  4. Belt fed Macs in our future 2021?

    Any adapters made to marry Shrike 556 uppers to Mac lowers?

    Started by atakk‎, 09-29-2020 10:14 PM
    3 Pages
    1 2 3
    • Replies: 43
    • Views: 1,661
    Yesterday, 08:04 PM Go to last post
  5. Stormwerkz SWD Cobray M-11/9 optic mount

    Just bought this mount which fits SWD Cobray M-11/9 original upper with no modifications. $70.00 My bullet hose can be aimed now. video link--------------

    Started by‎, 06-22-2019 12:02 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,133
    Yesterday, 02:46 PM Go to last post
  6. The UltiMac, a modular Mac upper.

    From the old thread (, here's the info: I spent some time designing stuff, making stuff, then throwing away stuff. This is my current upper design, the UltiMac. The upper uses an...

    Started by theredneckengineer‎, 10-19-2019 09:17 AM
    33 Pages
    1 2 3 4 5 6 7 8 9 ... 33
    • Replies: 648
    • Views: 67,622
    10-17-2020, 09:44 AM Go to last post
  7. Replacement springs for Cobray zytel magazines

    Does anyone know if someone makes replacement springs for the original Cobray M11/9 Zytel Magazines and where to purchase them from?

    Started by prescottkid‎, 10-14-2020 03:59 PM
    • Replies: 5
    • Views: 131
    10-14-2020, 09:28 PM Go to last post
  8. 11/15 for hog hunting?

    Anybody done any hog hunting with this upper?

    Started by Gaujo‎, 10-11-2020 08:54 PM
    • Replies: 12
    • Views: 475
    10-14-2020, 06:31 PM Go to last post
  9. DUAL MAC UPPER project (DMAC/RR20)

    My 12 gauge upper project continues into its third year (so pretty much on schedule) and I grow restless. With all the capabilities I’ve developed on my other project, I felt like making something new- based on something old! Next in queue is a dual Mac upper. This went through a few...

    Started by rybread‎, 07-28-2020 06:10 PM
    4 Pages
    1 2 3 4
    • Replies: 79
    • Views: 3,855
    10-12-2020, 01:15 PM Go to last post
  10. 12 ga upper for M-11/9 project

    In the tradition of this forum, if you can't find one, build one. I know a few others are interested so feel free to share ideas.. this will be an open thread, so if it works it will be a how to for the benefit of Mac owners everywhere.. I've had some ideas knocking around for a while- right now I...

    Started by rybread‎, 06-05-2017 03:00 PM
    29 Pages
    1 2 3 4 5 6 7 8 9 ... 29
    • Replies: 570
    • Views: 126,032
    10-12-2020, 11:15 AM Go to last post
  11. Firing out of battery

    Could a full auto M10 fire out of battery if a round was oversize and didn't chamber all the way, or would it just jam the gun? I check all my reloads with a case gauge and I've never had it happen but I was thinking about it today.

    Started by Poacher‎, 10-08-2020 08:48 PM
    • Replies: 18
    • Views: 512
    10-12-2020, 05:07 AM Go to last post
  12. How are you carrying mags for sub gun matches?

    I thought a standard pistol mag pouch would work but with the length of 30rd magazines they’re pretty cumbersome. I’ve been trying to find chest rigs but I guess Spiritus Systems doesn’t want any money because nothing is in stock. Just want to carry 4-5 mags

    Started by Eurodriver‎, 10-04-2020 05:49 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 676
    10-10-2020, 09:37 AM Go to last post
  13. Semi-auto M11 parts compatability

    I want to buy a semi-auto Cobray M11 pistol. I may get a stamp to SBR it, in which case I would want to put a stock on it. Do the semi-auto pistols have any limitation on what stocks will work with them, as compared to the full-autos and/or rifles? Any others parts issues I should be aware of?

    Started by ThrowBreadOnMe‎, 10-07-2020 01:48 PM
    • Replies: 9
    • Views: 178
    10-08-2020, 08:28 AM Go to last post
  14. Norse Forge ACR stock adapter for the M10 9/45

    Hey everyone, I haven't really made a presence on here as of late, but I figured I should be the one sharing info on stuff pertaining to some of the options I'm working on for the M10/ M11 platform. Most recently, I have finally gotten the ball rolling on the ACR stock adapters and my temporary...

    Started by ZeroCool‎, 01-06-2019 03:15 PM
    9 Pages
    1 2 3 4 5 6 7 8 9
    • Replies: 166
    • Views: 18,559
    10-07-2020, 03:39 PM Go to last post
  15. Where to buy S31 ZMAGs?

    Looks to be out of stock on website. Will they be making more? Does anybody else sell them or the regular z mags? Thanks

    Started by Lights_out‎, 09-11-2020 12:36 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 112
    • Views: 4,448
    10-07-2020, 03:37 PM Go to last post
  16. Failure to extract issues, need help

    Some info Mac10 - 9mm with sten magazine conversion I have the factory upper and it runs great. I have a factory type upper that I put together with a 1/2x28 thread barrel so I could shoot suppressed. This upper runs great. Fat Ghost upper (using the same bolt used in the 2 other uppers)...

    Started by Fulautotank‎, 09-21-2020 04:24 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 588
    10-06-2020, 11:12 PM Go to last post
  17. Optic recommendations for OE upper?

    I would like to have an optic on my Ingram 45acp upper. It came with some really oddball cheese ball optic mount with a charging handle thing. Due to that the original owner cut off the rear sight. Normally on ARs and AKs I run EOTechs, Sig Romeo 5s and Vortex UH1s. You guys have any optic...

    Started by Deerhurst‎, 10-06-2020 10:15 PM
    • Replies: 0
    • Views: 63
    10-06-2020, 10:15 PM Go to last post
  18. M3 magazine drawing

    Hello everyone, Does anyone have a good dimensional drawing of a M3 (45 cal) magazine? I have tried searching the web ... found drawings for every gun I could think of, even the complete MAC-10 and grease guns but not for just the magazine. Thanks ....

    Started by xtal_01‎, 10-05-2020 09:15 PM
    • Replies: 9
    • Views: 194
    10-06-2020, 01:01 PM Go to last post
  19. Semi M12 question

    Got a semi m12, and it seems really hard to cock. Have seen a little c-shaped spacer on some pics I’ve seen on the Internet, and Ftf even sells one for the .380 semi guns. Mine didn’t come with this piece? Curious of how that piece would fit in the gun as well. Here is a pic of mine. Any...

    Started by Offmarksman‎, 10-03-2020 12:11 PM
    • Replies: 8
    • Views: 196
    10-04-2020, 06:26 AM Go to last post
  20. M11A1 Large Magwell Slowfire .380 with CF-W A Bolt and Z-mags

    Well, I thought some of you might be interested to know that I've had some luck getting slowfire .380 to work with my large magwell M11A1, Z-mags, Baby Ghost upper and V2 CF-W A bolt. I still have more testing to do but the initial results are promising: ...

    Started by tlk‎, 02-23-2020 06:35 AM
    • Replies: 6
    • Views: 735
    10-03-2020, 07:37 PM Go to last post
  21. Buy New or Preowned Lage Upper?

    My friend is pulling the trigger on an M10/45. The dealer has one with the Lage Mk2 upper, forward grip and Lage side folding stock. Not much of a discount over buying these new, $300. Is he better off getting a gun without these and buying them new or buying the gun with them? Both guns look...

    Started by renovate7‎, 10-01-2020 05:49 AM
    • Replies: 11
    • Views: 443
    10-03-2020, 01:47 PM Go to last post
  22. Why canted foregrips on Macs?

    I've been seeing this for years, and I've always wondered if it is canted for a reason. Is there a reason to use a canted foregrip?

    Started by Gaujo‎, 09-26-2019 08:26 PM
    • Replies: 16
    • Views: 1,141
    10-02-2020, 08:37 PM Go to last post
  23. I got the call today...

    Buddy of mine is waiting for a stamp for a couple cans from the same shop my Mac is currently at. The shop owner texted him and told him he had a stamp arrive. Then I got another screenshot from him showing the shop owner asking him to relay my stamp had come in as well. Texted the shop owner and...

    Started by Deerhurst‎, 09-30-2020 04:37 PM
    2 Pages
    1 2
    • Replies: 30
    • Views: 648
    10-02-2020, 06:41 PM Go to last post
  24. How many “failures” are acceptable?

    I just picked up my RPB M10/9 and put a Lage upper on it. I had to do some tweaking to the Lage bolt as the magazine sat too high for the Lage, but not the factory upper (probably should’ve just sent it in to Lage or PS but I could see what the issue was and it only took a few minutes) I...

    Started by Eurodriver‎, 09-28-2020 07:32 AM
    3 Pages
    1 2 3
    • Replies: 40
    • Views: 874
    10-02-2020, 08:09 AM Go to last post
  25. Good Thoughts/Prayers For Sam Of Practical Solutions

    Tina let me know that Sam is in the hospital. She wrote me today: "I finally got an update from the nurse. He’s doing really well. Yesterday, he was on 2 liters of oxygen and his blood oxygen level was 92%. Today he is on 1 liter and he’s at 95%. He ate breakfast and lunch. He took a shower...

    Started by A&S Conversions‎, 09-12-2020 07:14 PM
    4 Pages
    1 2 3 4
    • Replies: 65
    • Views: 2,592
    10-01-2020, 01:07 PM Go to last post

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