Another freakin Problem. Help Plz

[RocknRollAssasin]

Ok, So I am at the field today, and my gun was shooting fine. We get to the dead box before the game starts and I go to turn my gun on and shoot at the post and boom:

1. Bolt goes forward, stays forward, lets out a some air, and then cocks back. I think its my RAM but im not sure. Help PLEASE

[firemedic30]

I would be looking at the orings and seals!

[RocknRollAssasin]

Hey I made of a vid of problem. Any help would be appriciated.

http://s2.photobucket.com/albums/y18/StudMuffin8111/?action=view&current=AngelPrroblem.flv

[RocknRollAssasin]

fixed