This is what I now from the two I have had. the first one was on a Ruger 77 338 mag, old style that came with a wooden stock and I put on a Ram-Line synthetic, it had a hollow butt end and a solid forearm all the same material. The second one was a Ruger 77 338 mag Stainless with a synthetic stock. I did not like the swivels on it so I changed them. Had to drill the forearm and the butt end both. It was all the same as far as I drilled.
