300whisper_newbie Wrote :
Quote:
talked with model1 today. They claim that their uppers cycle the Corbon subsonic they have in house correctly.
I guess I'm going to pull the trigger and get one. I bought a 6mm PPC upper from model1 in the past and have had no trouble with it so far. I'll keep you guys updated, worst case I'll be debugging with Jripper
Jripper, is your upper short stroking? Does the bolt unlock from the barrel extension, or is it locked in battery? Did you purchase the bolt/carrier with the upper or are you swapping with another upper?
--Chris
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