This comb piece fits any ruger rifle with the modular stock system.It is intended for use with aftermarket scopes or mounted sights.The high comb height (1.84") raises the shooter's cheek placement putting the eyes in line with the mounted optics.The compact length is ideal for shooters who prefer a shorter length of pull (12.5").Rails: NoneType: ModularFirearm Type: RifleFirearm Model: Ruger American RimfireMaterial: CompositeFinish: BlackFeatures: 1.84" CombAdjustment Type: NonePositions: FixedLength Of Pull: 12.5"Texture Type: TexturedSwivel Studs: None