The HK MR762 A4 16.5" barrel CA Compliant Rifle is a semi-automatic 7.62×51 mm NATO platform that combines Heckler & Koch’s classic rifle engineering with practical features for range and defensive applications. Built on the A4 configuration, it typically includes a flat-top upper with a full-length Picatinny rail for mounting optics and accessories, paired with a modular handguard that supports additional attachments such as lights or grips. The 16.5″ barrel offers a balance of maneuverability and ballistic performance in a medium-length profile, while the adjustable stock and ergonomic controls promote comfortable handling across varied shooting scenarios. This California-compliant configuration includes a single 10-round magazine, making it suitable for jurisdictions with capacity restrictions. With precision machining and robust construction, the MR762 A4 provides reliable performance and adaptability in a modern rifle design.