The magpul enhanced rubber butt-pad 0.70" is an optional replacement butt pad for the ctr and moe carbine mil-spec stocks as well as the original ubr all str acs-l and acs stocks.It is designed for enhanced shoulder purchase as well as offering slightly improved recoil reduction with its thicker vented construction.The enhanced rubber butt-pad can also be installed on commercial-spec moe/ctr stocks but may prohibit use of fully collapsed position due the extended slanted back of most commercial-spec receiver extensions.Includes mounting hardware.Made in usa.*note- not compatible with moe fixed carbine stock.Firearm Model: AR-PlatformMaterial: RubberFinish: BlackGrip Type: Textured