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  1. FRT and CMMG type 22 conversions > Rate of Fire Triggers > AR15.COM

    Jul 28, 2025 · [ARCHIVED THREAD] - FRT and CMMG type 22 conversions 7/28/2025 11:02:07 AM EDT I have a dedicated 22 upper using PSA's bolt (made by or copy of CMMGs) I have the Arizona …

  2. CMMG 10mm pistol > Rimfire and Pistol Calibers > AR15.COM

    Jan 7, 2026 · The CMMG RDB system kills ejector springs in 9mm / 40SW and 10mm. That said, CMMG finally released the FE (Fixed Ejector) versions in February of 2025 but only for 9mm and 45.

  3. CMMG RDB barrel swap possible? - Brian Enos's Forums

    Apr 11, 2020 · I have a CMMG Resolute with Glock lower since a year now and I'm so far quite disappointed in the accuracy of this rifle/barrel. Very ammo picky and the best results I have so far …

  4. CMMG Banshee: Anyone running this seriously hard in PCC?

    Jan 18, 2025 · Hello Shooters. So is anyone running a CMMG Banshee hard in PCC? I've been running a simple ATI AR9 with a few mods such as .308 carbine spring and Kynshot RB5007. I got my M …

  5. Has the CMMG RDB ejector spring issue been resolved by the Mk10 …

    Jun 14, 2023 · I'm trying to decide whether or not to invest further in the CMMG RDB system (not Dissent) and need to know the latest on the ejector spring issue - Is the Mk10 spring the answer? …

  6. Has anyone here gotten a forced reset trigger working with a .22 build ...

    Mar 19, 2025 · With Winchester 333 bulk pack ammo. 16" CMMG dedicated upper BB weight with steel weights BB red recoil spring BB firing pin BB adjustable slip trip for SS Form 1 can (basically a …

  7. CMMG fixed ejector kit not reliable with FRT - AR15.COM

    Nov 17, 2025 · A little too much to fit it all in the thread title, so here goes:I started out with a CMMG RDB bolt/barrel and upper receiver kit from several years ago. I installed my own handguard and …

  8. CMMG AR-22 won’t cycle with a super safety anymore

    Oct 16, 2025 · I’ve got a 10.5” CMMG dedicated 22lr upper. I ran it regularly on a registered lower in auto with no issues. I switched to the super safety, had to get a different trip, but it ran great….until it …

  9. Most Reliable ammo to use with CMMG 22lr AR conversion kit?

    Nov 13, 2023 · Two were CMMG conversion kits and one was a dedicated .22 upper from TECCOM. 1) Start with 40gr. Mini-Mags and expect a 400 round or more break-in period. 2) Each one of the kits I …

  10. CMMG failure to eject - Brian Enos's Forums

    Nov 1, 2020 · Hey guys, I have a delayed radial blowback CMMG which continually has an issue ejecting case. Apparently CMMG is incapable of fixing it as I have sent it in several times for this …