Quote Originally Posted by robthedog View Post
Thanks, rifle is used, but has been fitted with a new barrel & mod, i will take it up with the gunsmith who did the work, there won't be any issues he's good bloke, but just thought there might be a quick fix i could.

Regards,

Rob
Make sure it is a .25 specific mod, I have used a normal HW mod on my .25 Rapid but it's a tight fit for the pellet,
Assuming it's a HW mod it's a 7mm hex key hole at the front & .25 is 6.35mm, I'm guessing the .25 mod needs an 8mm hex key.