BarrierBarrageNov 29, 2009 6:19am
if i have a m249 that i want to make shoot at a very high rmp, but i dont care about the fps (as long as it stays above ~300) what type of spring should i use? m90?
high RPMs
fuddruckersNov 29, 2009 7:01am
I had a TM mp5 that people thought was a SAW. I used Systema High speed gears, m100, silent piston set, spring guide with bearing, TM cylinder set. I also trimmed off the last two teeth on the piston to help reduce the travel time. The battery was a 9.6?? (the largest you could fit in a TM full stock). The thing shot at 320fps with an RPM for about 29rps. It kinda wound up as you fired. Real fun to use, massive destruction.