NFA, New Frontier Armory C-5 lower MP5 style magazine with CMMG Radial Delayed Blowback Guard BCG & barrel in Gibbz side charging upper, AR9 build.
Parts list mostly bought from
SJC compensator
STNGR 8.25″ handguard
CMMG RDB 8″ 9mm
Gibbz side charging upper
New Frontier Armory C-5 lower
Elfman 3 Gun Trigger
Elfman push button safety
VLTOR A5 buffer tube
Kynshot 9mm hydraulic buffer
Tubb’s flat-wire buffer spring
SB Tactical SBA3
Holosun HS403C
Modifications necessary:
Must use Gibbz enhanced cam pin
Cut BCG gas key
Remove C5 lower receivers feedramp and extractor
Works great with KCI mags & HK mags
Will work with ETS mags with modification
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Thanks for this video! I am working on this same type of PCC project in a 16 inch barrel. I was trying to figure out the feeding issues and just taking the feed ramp out made things work!