Introducing the Heatseeker, an innovative and versatile chassis system designed to enhance your bolt action rifle, compatible with the 3+1 box magazine shipped with Ruger long action calibers such as 7mm Remington Magnum, .300 Win Mag, .338 Win Mag, 7mm PRC and 6.5 PRC. This lightweight chassis weighs 1 lb, 3 oz and is precision machined from solid billet 6061-T6 aluminum, featuring a 14 inches handguard cut from a unique Sharps Bros extrusion, all finished in matte black cerakote for durability. The handguard includes M-LOK slots on all four sides for versatile attachment options like lights, bipods, night vision and ARCA rails, with two quick disconnect fittings per side for sling attachment convenience. Heatseeker utilizes a standard AR-15 grip interface, offering customization options such as our Brazilian cherry grip and handguard panel set. Designed with an integrated AR buffer interface, Heatseeker allows seamless customization with your preferred AR15 type stock. Please note, the chassis is also compatible with Ruger's 4-round rotary long action magazine designed for .30-06 Cal and .270 Win calibers, although some modification may be required for optimal fit. Installation is straightforward with provided instructions, ensuring a hassle-free upgrade that combines functionality with a modern aesthetic.