Thanks for the tips.. if a longer inner barrel is inadvisable, without requisite gearbox work (I'm of the school that believes if it ain't broke yet, don't #@#! with it) then an alternative solution might be going to metal supermarket and getting a section of oversize brass tubing to fix in place inside the suppressor.
Firing up the bench drill and fabbing up a suppressor base inner spacer to sleeve the oversize brass tubing over the stock inner barrel, drill out the nose of the suppressor to the OD of the tubing, and interference fit in place, flush through the nose of the suppressor. In essence, creating a larger diameter "outer/inner" barrel that shouldn't affect the piston's volumetric pressure characteristics, near as badly as an extended length 6.03 inner barrel. BB's might bounce, but they won't be shattering against the interior of the suppressor nose, or otherwise becoming wild flyers.
I've yet to pull a battery out and charge it up for a test, but if the hop-up setting doesn't eliminate this issue, it might be worthy of a Saturday afternoon garage project experiment/solution.
Quote:
Originally Posted by MADDOG
If you go to a longer barrel you need to be careful of a few things:
1) Barrel vibration and stability past the front sight, I tired this and the accuracy was crap due to the fact nothing was supporting the barrel for 8-10 inches. This can cause even more BB's to hit the front of the silencer unless the barrel end is actually held in place and stabilized in the end of the silencer (tough to d0, not impossible). I had a barrel that was sticking slightly out past the end of the silencer and you could hear it vibrate in the end of the silencer.
2) You need to change the cylinder as well for the porting to match the new length of barrel for proper air pressure. Your current cylinder is for the short AKSU barrel, which I have found to be highly accurate and have not messed with it
Just an FYI
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