Great Lakes Firearms AR-15 Features The AR-15 offers a seamless blend of durability and performance. Its stainless steel barrel finished with a muzzle brake enhances accuracy by reducing recoil and muzzle rise. The barrel s 1:8 twist rate is optimized for stabilizing a broad range of bullet weights ensuring peak ballistic performance. The rifle s direct impingement operating system guarantees reliable functioning with minimal maintenance. Further enhancing its tactical utility the rifle includes a 15.25 M-LOK handguard that provides ample space for accessories and it is optic-ready allowing for easy customization with your preferred sights or scopes. The collapsible synthetic stock combined with the overall lightweight design (weighing only 6.80 lbs) ensures maneuverability and ease of transport whether in the field or at the range. Great Lakes Firearms AR-15 Specifications Brand: Great Lakes Firearms Model: AR-15 Type: Tactical Rifles Caliber: 223 Wylde Barrel Length: 16 Overall Length: 33.25 Capacity: 30+1 Action: Semi-Auto Stock Material: Synthetic Barrel Description: Stainless Steel Muzzle: Muzzle Brake Sights: Optic Ready Twist: 1:8 Magazine Type: AR-15 Grip: Black Polymer Handguards: 15.25 M-LOK Receiver Material: 7075-T6 Aluminum Safety Features: Safety Selector Switch Thread Pattern: 1/2x28 Stock Description: Collapsible Finish: Black Cherry Cerakote on Receiver Stainless on Barrel Weight: 6.80 lbs