[cookedham]

Originally Posted by spartan117

I'm still have some issues with gas efficiency. So far the gun is stock. Only thing I've added is the crusader chamber lip and also added crusader bolt guides. I was going to replace the piston cylinder to a aluminum one soon as well as change the recoil spring to a stronger one. Anything else i can do?

Run it in stock first, get use to the gun then change on what u wanna improve

My gun is stock except the 120% spring from angry gun

U just need to tune and lube the nozzle and bolt, it will run like an angel