I'm gonna do some upgrade work on my mp5k pdw over the next little while.
1) standard barrel right now (141mm), putting in 265mm 6.03 tightbore to extend into a suppressor.
so far:
http://www.airsoftparts.ca/store2/in...oducts_id=1031
can i cut a 300 down without running into trouble?
and do i need a larger cylinder as well to even it out?
2) cylinder head: is a silent one practical?
so far:
http://www.airsoftparts.ca/store2/in...roducts_id=774
3) piston head: aluminum or poly, to bearing or not to bearing?
so far:
http://www.airsoftparts.ca/store2/in...roducts_id=780