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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
    55 Pages
    1 2 3 4 5 6 7 8 9 ... 55
    • Replies: 1,097
    • Views: 1,119,672
    Yesterday, 11:19 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: 176,492
    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: 52,061
    07-20-2017, 10:44 AM Go to last post
  1. 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
    25 Pages
    1 2 3 4 5 6 7 8 9 ... 25
    • Replies: 480
    • Views: 108,369
    Today, 09:59 AM Go to last post
  2. Quick change barrels max11/15

    Like the title says, is it possible to have a quick change barrel system on the max11/15? I know there are several different types out there now but from what I'm able to see it seems like it would be possible.

    Started by Hood886‎, 04-19-2020 04:32 PM
    2 Pages
    1 2
    • Replies: 36
    • Views: 1,444
    Yesterday, 10:10 PM Go to last post
  3. 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
    25 Pages
    1 2 3 4 5 6 7 8 9 ... 25
    • Replies: 489
    • Views: 43,058
    Yesterday, 04:31 PM Go to last post
  4. Fast Loader for M10 and M11 Mags!!!

    Anyone besides me get tired of loading M10 and M11 mags by hand. Or even the mags that have loaders??? If you have not seen this!!! The ETS rifle loader it works great and you can pickup 10 rnds at a time right out of the ammo box and it works on 380s to 308s. Check it out on youtube!!! JD

    Started by JDIllon‎, 05-16-2020 05:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 688
    Yesterday, 12:48 PM Go to last post
  5. The MAC-10 that almost killed John Wayne

    Fun read:

    Started by Z06‎, 05-25-2020 03:27 PM
    • Replies: 12
    • Views: 511
    Yesterday, 08:40 AM Go to last post
  6. Lage MAX-10/31 Fitment Question

    I have a Lage upper for my M10. While I have installed it easily enough (taking care to extend the rear setscrews to ensure a firm fit into the rear of the M10 frame), there remains a slight space side-to-side at the front. Is this an issue? The front take-down pin hole is concentric and the...

    Started by MSDOS‎, 05-23-2020 11:47 PM
    • Replies: 4
    • Views: 147
    Yesterday, 08:39 AM Go to last post
  7. M10/9 magazine questions

    I've finally collected all the components for the 9mm conversion of my PS M10/45. Yesterday was it's first test fire and I'm very encouraged. I currently own exactly one cheap, aftermarket, double feed magazine. The malfunctions we encountered yesterday were all feed related so I'm guessing it was...

    Started by Vegas SMG‎, 06-16-2013 01:38 PM
    3 Pages
    1 2 3
    • Replies: 44
    • Views: 19,570
    05-27-2020, 04:39 PM Go to last post
  8. Cool Patiently waiting to be a new MAC (and MG) owner...

    I'm almost at 7 months pending for this fellow. It's an RPB M11 that I think was manufactured around 1980. I haven't found a solid reference for production years. It had some fun goodies in the listing: I'm pretty excited to take it home (hopefully) soon. I've been collecting some...

    Started by LiamAcerbus‎, 05-07-2020 05:59 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 723
    05-26-2020, 10:33 PM Go to last post
  9. Poll Max 31k interest?

    Just curious. I obviously don't make them or have anything to do with them.... But who would buy a 31k for the m11\9 platform.... Assuming it looked like the m11/a1 version.

    Started by Mackjack‎, 12-22-2017 11:45 AM
    4 Pages
    1 2 3 4
    • Replies: 78
    • Views: 15,154
    05-26-2020, 06:05 PM Go to last post
  10. Life of a .22 conversion kit? What is your round count?

    Now that my Lage kit is running well I am starting to wring my hands over the fact that I only bought one. What happens when this wears out? How long can I expect? Just curious what type of round count the community has achieved on these and hoping that my fears are unfounded. I mean, it is built...

    Started by smec_289‎, 05-13-2020 06:36 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 654
    05-25-2020, 10:04 PM Go to last post
  11. M10LR “Long Range”/Export Model

    Https:// I don’t know how to post pictures but hopefully the link works. Attached is a picture from Frank Iannamico’s “The Mac Man” showing an M10 with a permanently attached barrel extension. I recently found one and want to get some background info/verify it’s...

    Started by GoobTechEngineering‎, 05-21-2020 02:33 PM
    • Replies: 12
    • Views: 426
    05-25-2020, 04:08 PM Go to last post
  12. New CF-W9mmA bolt showed up today!!!

    This is a machining masterpiece. Will get to try it out this Saturday at a friend's house. Thank you Tom for all that you do!!! Next to big brother

    Started by cajun 22‎, 05-18-2020 04:47 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 1,033
    05-24-2020, 09:42 PM Go to last post
  13. Lage M11 22 conversion kit

    Interested in buying the latest model that has the “K” stamp and will fit factory m11 upper or max11sk upper. Is the best method to just post on iTrader? Thanks Yebache

    Started by Yebache‎, 05-24-2020 01:15 AM
    • Replies: 2
    • Views: 205
    05-24-2020, 11:07 AM Go to last post
  14. Wolf .380 in an M-11?

    Does anyone use steel case .380 in there M-11? Any negative side effects from long term use?

    Started by automaticlee‎, 05-03-2020 08:26 PM
    • Replies: 15
    • Views: 593
    05-24-2020, 08:34 AM Go to last post
  15. MAC-10 .22 Conversion

    Forgive me if this is a duplicate thread. I tried using search, but didn't pull anything up with numerous search terms. Is there a consensus "best" .22 conversion for the MAC-10/9? I like Lage stuff, but he only makes a .22 conversion for the M-11. I see there are options available, but don't...

    Started by wilheldp‎, 05-15-2020 08:23 PM
    • Replies: 10
    • Views: 393
    05-24-2020, 06:50 AM Go to last post
  16. Gemtech Viper 45 currently over $4,000 on gunbroker What’s going on here? Is it so expensive because they’re out of production? Do people not know GSL is still making these? I’ve got the GSL equivalent awaiting paperwork submission at my LGS right now. This is absurd, right?

    Started by GoobTechEngineering‎, 05-15-2020 08:40 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 812
    05-23-2020, 11:00 AM Go to last post
  17. Iron Sight Recommendation for M10/45

    I have received both my Lage uppers for my incoming M10/45. I need to get a set of "iron" sights. Any reason I can't use an inexpensive set like Magpul's folding sights, or other lesser sights? Not sure I'm going to use optical sights but I do have a red dot to try on it. I tried to order Lages's...

    Started by renovate7‎, 05-21-2020 06:33 PM
    • Replies: 5
    • Views: 177
    05-22-2020, 11:39 PM Go to last post
  18. Help with m12 closed bolt semi assembly.

    Hey fellas!! Long time lurker here & I am in need of help assembling my m12 semi. Please post a pic if you’re able!! The very rear of the receiver (where a stock block would sit) I have no notion what the heck is going on there... thank you all for your time, & have a good day.

    Started by‎, 05-13-2020 09:17 PM
    assembly, closed, fcg, m12, semi
    • Replies: 15
    • Views: 387
    05-22-2020, 03:39 PM Go to last post
  19. Value of Fleming .22 conversion?

    A buddy of mine has a NIB Fleming .22 conversion for the M10 that he wants to sell, but he has no idea what to ask for it. I know they don't have a great reputation for reliability, but don't know much else about them. Can anyone suggest an appropriate asking price?

    Started by DINK‎, 03-22-2017 07:09 AM
    • Replies: 13
    • Views: 5,210
    05-22-2020, 12:27 PM Go to last post
  20. CFW-A Bolt and the M11A1 380

    What you should know about using your A bolt in the M11/380. My coil count on the recoil spring is 63 coils. Rate of fire is around 700-800 depending on ammo and use of suppressor. It the best accessory if you want a controllable machine pistol. video...

    Started by strobro32‎, 05-21-2020 09:39 AM
    • Replies: 10
    • Views: 241
    05-21-2020, 07:37 PM Go to last post
  21. Moved: ATF Definitions

    Started by TSPC‎, 05-20-2020 01:10 PM
    • Replies: -
    • Views: -
    05-21-2020, 05:53 AM Go to last post
  22. Worth the price?

    Have a line on a Max-31 MK2 for the M11/9…comes with 3 Suomi drums and 1 30rd ZMag. Guy is asking $950 for it…is this a good price or not? I have a Lage upper now that I think I’ve shot a couple times since I purchased 7+ years ago, I also have the Lage 22 upper that gets shot WAY, WAY more…a lot...

    Started by Ge-mini-gun‎, 05-13-2020 03:39 PM
    • Replies: 8
    • Views: 612
    05-20-2020, 04:23 PM Go to last post
  23. Egging takedown pin holes, Possible cure.

    Some time ago, I posted a thread about the possibility of using different takedown pin material that’s softer (sacrificial pin) than the m11 receiver. I went from aluminum to delrin and SID T. Advised me on another material (can’t remember at the moment). The softer material would take damage...

    Started by KickStand‎, 05-19-2020 10:49 PM
    • Replies: 5
    • Views: 315
    05-20-2020, 02:22 PM Go to last post
  24. PROJECT: Building a classic style MAC Operational Briefcase

    I've been fascinated by the old Operational Briefcases, and decided to build one for my SWD M11A1. I've seen photographs of them here and elsewhere on the 'net, and I thought I'd share the process. I bought a cheap briefcase on Amazon (Solo Expandable, $30) for this first effort, figuring that I...

    Started by Concorde‎, 09-22-2012 08:11 PM
    15 Pages
    1 2 3 4 5 6 7 8 9 ... 15
    • Replies: 285
    • Views: 106,361
    05-20-2020, 11:49 AM Go to last post
  25. Mac 11 9mm Case separation

    Hello i need some help troubleshooting this mac 11. if anyone can help that would be great. I keep getting case separation in the barrel. And of course the next round explodes causing the bullet to stop half way down the barrel. I have a cobray m-11 that is now a post sample on a form 2. Lage...

    Started by Down Range Ordnance‎, 05-17-2020 06:08 PM
    • Replies: 13
    • Views: 348
    05-19-2020, 08:06 PM Go to last post

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