Choate Tool H&K93 Pla.Endcap W/Flush Cup. This model is an all-synthetic end cap that fits over the receiver & holds the trigger group in place. It has a flush cup at the end. Which replaces the traditional sling loop. Specifications for Choate Tool H&K93 Plastic Endcap W/Flush Cup: Manufacturer: Choate Tool Additional Features: W/Flush Cup Country of Origin: USA Gun Make: Heckler & Koch Features of Choate Tool H&K93 Plastic Endcap W/Flush Cup H&K 93/94 Plastic End Cap with Flush Cup Package Contents: Choate Tool H&K93 Plastic Endcap W/Flush Cup Choate Tool CMT-15-09-07: H&K93 Pla.Endcap W/Flush Cup