Two comments:
1.) This mod will on just about any gun where bucking to nozzle seal is loose. However, don't expect it to last since we're just talking about electrical tape. Top check the seal on your hop up for the VSR take the upper assembly out of the stock then cock the rifle with no magazine. Fire in a safe direction to ensure the chamber is empty. Cock again and place your finger over the end of the inner barrel to seal the whole barrel assembly. Pull the trigger. If your seal is good you'll hear a slow hiss as air escapes from various places. If your seal is poor then the gun will fire quickly as is normal.
Quote:
Originally Posted by gunner552
Done like dinner. Now, you can reassemble the gun.
But there is one tricky part. There will be a wedge in the way of the bolt, when you try to put it back in. Just, take the flat screwdriver and push the wedge down flat, so that the bolt can pass.
You must slide the cylinder in, and push the wedge down simultaneously.

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In the above picture, you're doing this the hard way. If you look at the left side of the trigger assembly you'll see a triangular shaped hole with a small silver pin flush with the surface in it. If you push down on the pin you'll notice that the sear you're pushing down on in the picture will move down. Thus you can push down on the pin while re-inserting the cylinder assembly to save you trouble.