Originally Posted by Nomercy448

One suggestion to this point: The seals may be too far gone for this to help, but on the 760, it's really common for the piston seals to dry out. If you open the pump handle, and squirt some gun oil on the piston (under the pump handle, you'll see the sleeve and the piston body) you might be able to get that old rifle to hold pressure again. I have two 760's that are 25yrs old, both need a few drops of oil a couple times a year, otherwise you can pump until you're blue in the face and they won't build pressure.