Fostech Echo Trigger Beltfed 200 Rounds

Fostech Echo Trigger Beltfed 200 rounds

Fostech Echo trigger in 7.62

200 round belt with MCR

Everhold Welding

Fostech Echo II trigger in AR 9mm and MCR beltfed

Fostech echo trigger beltfed

George from Battle Tested 200 rounds thru the full auto beltfed. 5.56

Fostech AR-15 W/ Echo II Trigger !

Fostech Echo Trigger with Magpul 60 rd. Drum Magazine

Psycho One Golf

replicating 3 round burst with the Fostech Echo trigger

AR15 Ares upper, Echo trigger 200 rounds

40 round mag dump with Fostech Echo trigger

Fostech Echo ll Trigger in .45acp AR

americanresistancegear

Fostech Echo 2 Binary Trigger

Fostech echo II binary trigger Yea buddy!!!

Second Amendment Gunsmithing

Fostech Echo Trigger 60 Rounds

Fostech Echo Trigger + Magpul D60

Fightlite MCR beltfed ar15 with a binary trigger

FOSTECH ECHO TRIGGER 60 ROUND MAGPUL DUMP

Fully Semi Automatic AR15: FOSTECH Echo Sport