Sharps Bros Heatseeker Features The Sharps Bros Heatseeker chassis body is machined from billet high-strength 6061-T6 aluminum keeping total system weight under 2 pounds while adding significant rigidity over a factory polymer stock. The 14 inch M-LOK handguard cut from an extrusion shape exclusive to Sharps Bros weighs roughly 10 ounces and provides four-sided M-LOK real estate for lights bipods and other accessories. Two quick-disconnect sling fittings per side give shooters flexible sling mounting options for hunting or range use. Compatibility with AICS short action magazines from Magpul and Accuracy International means reliable repeatable feeding well beyond the factory rotary magazine. Both the chassis and handguard wear a matte Black Cerakote finish that resists wear and corrosion while giving the rifle a modern contemporary look. Installation requires no gunsmithing and simplified instructions make the swap approachable for any home shooter. The standard AR-15 grip and buffer tube interface let owners fit their preferred pistol grip and stock for a fully personalized setup. For Ruger American Ranch owners chambered in 5.56 300 Blackout 7.62x39 6.5 Grendel 350 Legend or 450 Bushmaster the Heatseeker offers a straightforward path to a magazine-fed tactical-style rifle. Sharps Bros Heatseeker Chassis Specifications Manufacturer: Sharps Bros Model: Heatseeker Type: Rifle Chassis Stock Compatible Hosts: Ruger American Rifle Ranch Stock Material: 6061-T6 Aluminum Action: Short Magazine Type: AR-15 / AICS Short Action Handguard: 14 M-LOK Color: Black Weight: 1.30 lbs Available At: GrabAGun