Luth-AR 3-Axis Recoil Pad - Soft 35 DURO Black. They over-molded a steel plate with a Soft rubber butt pad 35 Duro for those of you who into the Shore Durometer scale. This can be purchased as a replacement for the standard butt pad on your MBA-3 buttstock or your add-on 3-axis buttplate assembly. Specifications for Luth-AR 3-Axis Recoil Pad - Soft 35D: Manufacturer: Luth-AR Color: Black Features of Luth-AR 3-Axis Recoil Pad - Soft 35D: Shipping Weight .5 lbs Shipping Dimensions 6 x 4 x 2 in Color Black Package Contents: Luth-AR 3-Axis Recoil Pad - Soft 35D Luth-AR RL-019-SOFT: 3-Axis Recoil Pad - Soft 35 DURO Black