CMMG Radially Delayed Blowback (RDB) Info (initially marketed as the ‘Guard’)
Lowest cost CMMG RDB FE (Fixed Ejector) Banshee upper – under $700
My 9mm CMMG RDB history of tinkering and current status
ARS – Amphibian Recoil System and ARS-EX Amphibian Recoil System Extended
Why lighten the FE Banshee carrier?
CMMG RDB Barrels (also for bolt action builds)
Fix for CMMG Dissent and FE Banshee firing pin failures
Full Auto CMMG RDB Fixed Ejector Project (hybrid CMMG Dissent) – 2023 through 2025
My previous 9mm CMMG RDB Setup – 2017 through 2022 (CMMG Guard / Banshee)
9mm and .40SW CMMG RDB Ejector Spring info / issues
CMMG Dissent issues (Pistol Caliber)
MEAN Arms Endomags / Exomags for the CMMG RDB and Loader Info
Mods for 9mm CMMG RDB to work with UN-modified Colt mags
9mm CMMG RDB Buffer / Spring Testing and tuning OLD REFERENCE DATA – 2017
CMMG RDB + Un-modified Scorpion mags
9mm Bolt Action AR upper build
‘DI – Direct Impingement’ is not a correct description of the AR15/M16 operation – See from the man himself: https://www.youtube.com/watch?v=kaIU0nCxwGg&t=3265s
Also read Stoner’s patent where he states it is a ‘stationary piston’: https://patents.google.com/patent/US2951424A/en
Teal Blue Bravo’s PDQ Ambi bolt Release on MGI Magwell
RMW Extreme .45ACP Gas Operated Upper with MGI .45 GG Magwell
Leitner-Wise HD buffer retainer – my use case
Old 9mm M16 info – around 2005