New Products: Foxtrot Mike 9mm AR-15 Build Kit

New Products: Foxtrot Mike 9mm AR-15 Build Kit

Our man on the new products scene, Paul Levy, is back to show us the FM-9 9mm AR-15 Build Kit from Foxtrot Mike (aka FM Products). The folks at Foxtrot Mike have made building a pistol caliber AR super easy by putting ALL of the caliber-specific components in this kit. You then finish the build with your choice of upper, pistol grip, handguard, stock or brace, and other off-the-shelf AR-15 components. The kit contains a semi-stripped lower receiver, barrel, bolt assembly (technically not a “bolt carrier group” because it’s a one-piece component), buffer, and recoil spring. No need to do a lot of research tracking down the correct-weight buffer or making sure you get a bolt that will work with the lower! Forget about a magwell adapter, too, because the FM lower uses readily available Glock® magazines, and it has a robust, reliable bolt-hold-open mechanism. Foxtrot Mike pistol caliber build kits are available in both 9mm and .45 ACP, in a variety of popular barrel lengths.

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16 Comments

  1. William on November 18, 2022 at 9:12 pm

    "Hi this is brownells and we’re gonna ignore the fucking AT4 sitting in the safe"
    Major respect to Brownells. Prop or not

  2. G.d. West on November 18, 2022 at 9:16 pm

    Love the tricky thing they need with the trigger guard and front part of the receiver— very cool and works

  3. Jeff Huntley on November 18, 2022 at 9:17 pm

    I hope Foxtrot Mikes has the 10mm upper in the works. I plan on buying a lower to have until it is released.

    UJ sent me:)

  4. IA_Gunner_ on November 18, 2022 at 9:24 pm

    Cool but like there’s a rocket launcher in your safe.

  5. Zjenji on November 18, 2022 at 9:30 pm

    Now that I have a BRN 180, I don’t ever want to use a buffer again! How about a .300 Blackout version?!

  6. Matt Hayward on November 18, 2022 at 9:32 pm

    So when do they bring out the AT4 kit? **looks meaningfully at safe**

  7. Ross Rochlitz on November 18, 2022 at 9:38 pm

    .45 ACP runs best on an upper with an enlarged ejection port.

  8. sugarland77478 on November 18, 2022 at 9:42 pm

    They need to produce 80% Kits. I am not trying to do paperwork for a gun i have to build.

  9. Cary C on November 18, 2022 at 9:48 pm

    Awesome! And very affordable for the quality of FM.

  10. Frankie k on November 18, 2022 at 9:48 pm

    Foxtrot mike products I have been using for a couple years now. Good quality, very reasonably priced and surprisingly accurate. The uppers they make are awesome with the forward charging handle.

  11. Deca Sky on November 18, 2022 at 9:48 pm

    Will 16” 9mm upper (Glock mag compatible) ever become available?

  12. Dong on November 18, 2022 at 9:52 pm

    good price from fm

  13. kinjun ranger on November 18, 2022 at 9:58 pm

    For anyone who has a FM9 – have you replaced the trigger?

  14. Djangofett on November 18, 2022 at 9:58 pm

    So we’re not gonna talk about the AT4 in the safe????

  15. MrCamoman12 on November 18, 2022 at 10:04 pm

    Yup i found it, i was planning on a big bore ar build for my next ar.. nope, this lower on the fm 9 side charging upper.

  16. Big Guy on November 18, 2022 at 10:09 pm

    Make them California legal

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