Introducing the Highlander 6.5 Grendel Pistol! This entry in the Highlander series is designed to combine the small lightweight package of an AR-Pistol and the versatility of the 6.5 Grendel round with the high quality you have come to expect from any Alexander Arms build. - This Pistol features: - 11.5 barrel - 1:7.5 twist - 5/8-24 RH threads - Thread Protector Included - Standard Trigger - SB Tactical SBA3 brace - Ergo Grip - Direct Impingement Operating System - One 10 round magazine. - Weight is 5.6 lbs