Rock River Arms is dedicated to providing a variety of shooting enthusiasts with a variety of AR-15 rifles built around usability and a commitment to reliability. Now one of they are bringing an accurate enhanced model to run in your next varmint hunt. Starting with the heart of Varmint is the 20" bull stainless steel barrel that is cryogenically treated to provide cutting-edge performance. On the end of this great barrel, the rifle has a muzzle brake that is designed to help reduce muzzle rise and recoil so that you can focus on follow-up shoots. Every aspect of the firearm has your hunting performance in mind like the inclusion of an enhanced pistol grip and a winter trigger guard for a better feel. This rifle in every aspect is built to provide a strong base for your varmint hunting needs.