This is a Magpul Industries Stock known as the Buttpad, model MAG315.
The Rubber Butt-Pad" 0.30" comes standard with the CTR(R) and MOE(R) Mil-Spec Carbine models as well as all STR(R)" ACS-L(TM)" ACS(TM) and UBR(R)stocks and utilizes a firm rubber that is designed for enhanced shoulder purchase and improved impact/drop mitigation. May also be installed on Commercial-Spec MOE/CTR stocks" but may prohibit use of fully collapsed position. All mounting hardware included.
Features:
May also be installed on Commercial-Spec MOE/CTR stocks, but may prohibit use of fully collapsed position
All mounting hardware included
