Atibal ATRS Mil Spec Rugged Rifle Stock w/Cheekrest-Blk Black. The streamlined minimalistic "L" shape profile reduces weight while still maintaining its ruggedness. The ATRS Stock also has the ability to add a cheek rest for a better cheek weld and better accuracy. Also features a QD sling mount that fits any push-button sling swivel. For improved control the ATRS Stock includes an oversized thick rubber buttpad that provides a secure shooting position without the stock slipping. The ATRS is perfect for shooters who need reliable performance and durability. Specifications for Atibal ATRS Mil Spec Rugged Rifle Stock w/Cheekrest-Blk: Manufacturer: Atibal Gun Model: M16 AR-15 Stock/Brace Material: Polymer Gun Type: Rifle Weight: 8.4 oz Fabric/Material: High-Quality Polymer Compound Features of Atibal ATRS Mil Spec Rugged Rifle Stock w/Cheekrest-Blk High-quality fiber-reinforced polymer compound Quick installation with a single lever adjustment that utilizes a dual function release button Multiple sling attachments with QD sling attachment Rugged and high-quality rubber pad that prevents slips and still be shouldered using body armor Two small channels on the left and right sides to reduce the movement of the buffer tube to the lowest possible degree. Package Contents: Atibal ATRS Mil Spec Rugged Rifle Stock w/Cheekrest-Blk What firearm models does the manufacturer say Atibal ATRS Mil Spec Rugged Rifle Stock w/Cheekrest-Blk is compatible with? The manufacturer says that Atibal ATRS Mil Spec Rugged Rifle Stock w/Cheekrest-Blk is compatible with AR-15 M16Atibal AT-ATRS-BLK-CR: ATRS Mil Spec Rugged Rifle Stock w/Cheekrest-Blk Black