Hogue Ruger M77 MKII Hawkeye Long Action Standard Barrel PillarBed Stock. OpticsPlanet is an Authorized US Distributor for Hogue Gun Parts. The Hogue Ruger M77 MKII Hawkeye Long Action Standard Barrel PillarBed Stock is constructed by molding a super strong rigid fiberglass reinforced skeleton or "insert" that precisely fits the guns' action. This rigid skeleton is then OverMolded with a durable but soft synthetic elastomer (rubber). During the heat and extreme pressure of injection molding the elastomer adheres chemically as well as mechanically to the skeleton resulting in a permanent bond between the rubber and the insert. Specifications for Hogue Overmold Ruger M77 L.A. Rifle Stocks: For: Long Action Package Contents: Hogue Ruger M77 MKII Hawkeye Long Action Standard Barrel PillarBed Stock What firearm models does the manufacturer say Hogue Ruger M77 MKII Hawkeye Long Action Standard Barrel PillarBed Stock is compatible with? The manufacturer says that Hogue Ruger M77 MKII Hawkeye Long Action Standard Barrel PillarBed Stock is compatible with Ruger M77Ruger 77 MKII Long Action Standard Barrel Pillar Bed Stock