whats up with bolt in my gun?

[F355DUDE]

i noticed the other day the front bolt travels about 1/2 cm into the threading area for the barrel and it makes it a little harder to cock back. is that ok or bad? thanks

[Kamotz]

It's supposed to do that. The bolt extends into the barrel. You'll notice that there is an o-ring on the front of the bolt. It seals inside the barrel, and keeps the gas from leaking anywhere between the valve and the ball.

[F355DUDE]

oh ok, thanks a lot.