Holes for different setups
Comes with set screw and on/off
I got this along with my shocktech drop. It fit PERFECTLY for the first game. Then my brother who used my gun probably broke something and now it wobbles like crazy. I tried fixing it with some teflon tape (filling in the chips) but it didn't work. Next, the screw that attaches to the drop forward is always loose. It's one tiny screw that holds it in place. But i'll have to fix that by drilling a hole. Other than that, this is an awesome drop. I attach the macro line to one end, and put a guage at the otherend... I usually get some why do u have 3 guages on your gun? tank, mini reg, and asa.
Aside from the few setbacks i've listed above, I love this asa. It hasn't broken and it's still shiny. I just have to screw in the tank, and spin the on and off. Then the air spreads into the gun.