113R. Custom Rifle – Built on an Aero Precision M5 Lower – 6.5 Creedmoor Cal. Semi-Auto Rifle – w/21½” Fluted Stainless Barrel w/Threaded Muzzle, No Cap – Matte Blued Finish – w/Textured ATI Synthetic Pistol Grip w/Adjustable Modular Butt Stock and Vented Metal Handguard w/Adjustable Cheek Rest and Recoil Pad – w/Full Picatinny Rail Mount – No Magazine