The SBS Skeleton Style Buttstock for the AR-15 and M16 is a lightweight model designed for fast shouldering fitting both commercial and �MIL-Spec� tubes. The SBS is intended to offer a modified feel for accurate targeting excluding excess weight without adjusting on strength or durability. The Skeleton style buttstock is made of nylon reinforced polymer with a rubber texturized cheek weld to maximize user comfort and locking system. - Ambidextrous and intended for easy use - Compression ring equipped extra tightly to fit on all tubes eliminating any jerking or mishap - Accessible stock latch � simplified length adjustments that can be used with or without gloves in low light conditions - Tremendous nylon strength with reinforced polymer - Assembled over-molded cheek weld texturized to provide extra comfort - Grooved release latch for quick length adjustment and prevents accidental operation - Enhanced thumb activated pin locking extension for tab slides to secure skeleton style buttstock in position - Removable butt-pad increases impact protection and anti-slip surface - Equipped with 3 Sling Mounts for web and quick detach sling mounts - SBS Skeleton Style Buttstock Measurements - Width: 1.77� - Height: 4.92� - Length: 7.48�