Originally Posted by vantrepes
My only correction would be that they are like a BKO, not a Bushmaster, 2K or otherwise. The Bushmaster used a completely air driven ram, while the BKO used a spring return.
I had bushmaster written for a sec. and changed it. I knew one of those ICD used the spring return rams.
fearless you are correct, Bob R long did do the half blocking for PGI. But he did not invent anything on that marker.
I had 2 markers. One turtle STO with the eblade, one turtle with the rocker, and a kit in my PTP micro, I sold the kit, and since then it has floated around pbnation and customcockers. Has a lava looking ano on the sleeve. I also hollowed the ram to reduce some of the kick.
Chopshop, one lpr is for the cocking pneumatics. The second lpr hose goes inside the trigger frame to a 3 way noid that runs the spring return ram in the bottom tube. the hammer and backblock are not connected that is why I say an mq valve is a better choice then the osiris kit.