AERO Short Stroke Specifics & Symptoms:
*Fails to consistently strip ammo from magazine.
*Fails to lock back on empty magazine.
*Ejected cases barely clear shooting bench.

Factory (quality) 168gr ammo.
Superlative Adjustable gas block (wide open)
18” barrel with rifle length gas port.
Gas tube and port alignment confirmed
6-Position Receiver Extension Kit
*Armalite Carbine 8” tube
*Armalite 13 1/2” Spring
*Armalite 3 1/4” H3 buffer

18” barrel with rifle length gas port does not leave much dwell time to build pressure so thinking a lighter buffer is first thing to try.
Not sure if other spring options are advisable or available.

Suggestions?