The Lewis Machine CO MRP 16" 5.56x45mm NATO 30 Rounds is a high-performance rifle designed for precision and reliability. Its direct impingement operating method ensures smooth and consistent firing. Weighing in at 7.04 pounds, this rifle is lightweight and easy to handle. The 16" chrome-lined barrel features a 1:7" RH twist, making it ideal for a variety of applications. The two-stage trigger provides a crisp and controlled pull. The SOPMOD stock offers adjustable length of pull and cheek weld. Fast shipping ensures you'll be on the range in no time. Key Benefits and Features: Model: MRPMLK16-MARS Caliber: 5.56 NATO Operating Method: Direct Impingement Weight (empty): 7.04 Pounds Magazine Capacity: 30 Rounds Barrel: 16" Chrome Rifling: 1:7" RH Twist Selector: Safe/Semi Trigger: Two Stage Stock: SOPMOD Color: Black