Previously acquired the Fury I (with the traditional stock)
So update as of yesterday: CSS supplied the following mods:
FCG
TG with AR-style PG mount
Reliability package (recoil springs, nylon guide)
Adjustable regulator
Trunnion backplate and adjustable pig-nose
Hammer Springs
Piston
Rail and cover
Galil-like charging handle extension (I'm a lefty; it's easier for me to turn my palm and pull straight back)
Other pieces-parts include the Magpul grip on the rail, Magpul PG, and I'm ordering the Chaos HK sights for trial.
Reliability has been very good except for low brass shot. The new ga