Lever guns are as cool as can be - and more people are adding low-power or red-dot optics all the time. This design, made from a single piece of T7075 aluminum and machined in house on our world-class CNC machining centers is designed to fit precisely, and strong enough that your rifle will never budge it.. Bases will come Type III black hardcoat anodized and will come with the necessary wrench. Recommended torque spec: 15 in/lb Our rails are available for the 3 or 4-screw receivers in 0MOA. FIT GUIDE FOUR-SCREW (Long Action) will fit the following Henry models: H009, H009G, H009B, H009AW, H009GAW, H009CC, H009GCC, H009X, H009WL, H009GWL, H009BWL H010, H010G, H010B, H010AW, H010GAW, H010CC, H010GCC, H010X, H010WL, H010GWL, H010BWL H018-410 (with drilled and tapped receivers), H018-410R, H018AH-410 H024-3030, H024-35, H024-3855, H024-4570 Please note that this base will only fit H018-410 models with drilled and tapped receivers. THREE-SCREW (Short Action) fits: H006 (must be 2nd Gen with drilled/tapped receiver) and H012 Series hole spacing only. Will fit the following Henry models: H006, H006R, H006M, H006MR, H006C, H006CR, H006S, H006MS, H006CS, H006ML, H006MML, H006CML, H006D, H006D2, H006D3, H006D4, H006ES, H006TT, H006OM, H006GBA H012, H012G, H012R, H012GR, H012AW, H012GAW, H012CC, H012RCC, H012GRCC, H012GCC, H012M, H012GM, H012MAW, H012GMAW, H012MRCC, H012GMRCC, H012MCC, H012GMCC, H012C, H012GC, H012CRCC, H012GCRCC, H012CAW, H012GCAW, H012CCC, H012GCCC, H012X, H012MX, H012CX