Re: Seymour Duncan wont fit in RG7420! Help!
On a 7-string, the legs shouldnh't be too deep, but the screws are definitely longer. Part of "traditional" tone on a humbucker is that the screw coil has stretches the magnetic field downward, and elongates it on that coil. Snipping the screws short is actually a preferred modification for some people. They do it on purpose for sonic reasons. If you don't want to snip the poles, you can also just drill 7 holes in the cavity under the poles. That way only the poles would be recessed.