Bobby, take the wood off the forend and try the metal on the fit. If that forend isn't from the same barrels or even if it is, it is going on another receiver. Also the roller release might be holding it on. This way when you take the wood off, if the "J" spring releases it easily, than you know it is the roller release. The roller release grabs on the back of the lug, and naturally the "J" spring goes in the front of the lug into a fit. Let us know how you make out.