The Battle Arms Development Sabertube is a butt stock that is perfect for keeping your rifle setup as lightweight as possible. Made from 7075-T6 aircraft grade aluminum, this stock is as durable as it is lightweight. This model features a built-in non-rotating QD point, a hard anodized finish, and is compatible with all standard AR-15 lower receivers. Battle Arms Development, Inc. (B.A.D. Inc.) is a design, research, and development firm incorporated in 2009 with a focus on small arms design including firearm components, tools, gauges, accessories, and complete weapon systems.