The Sharps Heatseeker is an innovative" affordable chassis system for your bolt action rifle" allowing you to easily upgrade a traditional factory rifle stock for improved versatility and a sleek" modern appearance. This 1lb" 3 ounce chassis is machined from billet high-strength 6061-T6 aluminum and includes a 10 ounce" 14" handguard cut from a unique extrusion shape exclusive to Sharps Bros. Both the chassis body and the handguard are finished in a matte black Cerakote. The handguard features M-LOK slots on 4 sides for various attachment options and two quick disconnect fittings per side for sling attachment. Add your pistol grip and stock of choice with the Heatseeker's standard AR-15 grip and AR buffer interface. This offering is for the Ruger American Short Action (calibers: 308 WIN" 6.5 Creedmoor). With the Heatseeker you can easily and affordably convert your Ruger American short action into an enhanced magazine fed system. The Heatseeker's sleek contemporary design will completely transform the look of your rifle" with no need to visit a gunsmith: simplified instructions and functionality make installation a breeze. This Heatseeker model for the Ruger American is compatible with AICS short action magazines from Magpul and Accuracy International.