Originally Posted by
MK18Pilot
The discontinued trigger is a really old school .155, before Colt began using .170 FCG pins. The disconnector spring is located just behind the pin boss on the trigger. This trigger hasn't been manufactured for years. I'm guessing that if you had an old school .155 semi rifle, you had no choice but to use a full auto trigger if yours needed to be replaced. Now that Colt is making .155 semi autos again, this is a non-issue. I don't think the guy at SAW has updated his website to reflect the current production of .155 semi auto rifles. Current 6920/6940's use a closed channel trigger.