Originally Posted by
Benelli B76
There was a mashed up leather washer in the end of the cylinder and the piston had a hole drilled in it for a screw so it looked like it originally had a seal. I drilled the hole deeper as it was shallow, the steel was very hard, in fact the whole rifle is good quality not like some other Gems I have seen. Think I have lost a little swept volume with the large seal I made but it shoots well and produces very small groups even with a smooth bore. Also fitted a new breach seal.
Baz