SR-16......what buffer are y'all running?
So I was lucky to get the opportunity to purchase an 11.5 SR16 upper brand new through one of Knight's favorite local dealers who got 4 uppers allocated to them. (they're all sold. I got the last one during a preorder).
That said.......... IT doesn't come with a buffer/spring. I was entertaining running a Spikes T2/Spikes AR spring in the SBA3 equipped pistol lower. I had it left over from my Geissele URGI build as it came with their setup. But.....I'm partially worried it's not going to be enough due to how regulated the KAC gas system is. Might work out perfectly though.
Just wondering what y'all were running and mileage was. I'm going to be using Black Hills 77GR TMK and 56GR MEN ammo, at some point attaching a KAC QDC can after waiting forever of course...