The Ruger 90431 Stock Module is designed specifically for Ruger American Rimfire rifles featuring a durable synthetic black finish with low comb configuration and standard length of pull.Ruger 90431 Stock Module for American Rimfire riflesSynthetic construction with black textured finishLow comb design with 1.26" comb heightStandard 13.75" length of pullFixed position designTextured grip surface for improved handlingThis replacement stock module provides reliable performance and comfortable ergonomics for Ruger American Rimfire rifle owners seeking a durable synthetic stock solution.