I have here 3 Bushmaster rams.
1)ShootPaint MAC ram, ULP Delrin ram shaft, Lightened hammer. Threads
have been shortened up to fit in a B2K3/B2K4 without sticking out 1/16"
and still fit older style Bushmasters. the inner portion has also been
highly polished.
2)Stock B2K4 ram, ported (24 holes total), polished hammer and ram,
polished inner portion, turned down back section, Eric The Great's mod,
and devolumizer.
3)Stock B2K4 ram, ported (24 holes total), polished hammer and ram,
polished inner portion, turned down back section, Eric The Great's mod,
devolumizer and end cap drilled/tapped to fit a guage to test pressure
on forward motion (comes with setscrew teflon taped in and does not
leak).
Trades:
Stock, unmoded, B2K rams. Preferably blue or black.