Nope.
I ordered in a 7.62 X 25mm bbl and mags for my m-203.
The higher recoil impulse beat the snot out of the bbl bushing, but I fed it upwards of 1500 rds.
Change the bbl & mag; lock & load. Good to go.
PM senttokguy, where did you order your TT-33 barrel,link and pin from and when? Thanks.




























