The Heckler & Koch MR556 75th Anniversary Edition is a limited-production semi-automatic AR-style rifle chambered in .223 Remington/5.56 NATO with a 16.5" barrel and Tropentarn Cerakote finish. This edition commemorates H&K’s 75 years and includes anniversary engraving and special packaging. The MR556A1 is built around H&K’s short-stroke gas piston system and a cold hammer-forged barrel for consistent performance and enhanced durability.
Key Specifications
- The model is MR556.
- The action is Semi-Auto.
- The rifle is chambered in .223 Rem/5.56 NATO.
- The barrel measures 16.5″.
- The finish is Tropentarn Cerakote.
- The listed magazine capacity is 30 rounds (per magazine specification provided).
- The rate of twist is 1-in-7″.
- The weight is listed as 8.60 lbs..
- The handguard features M-LOK attachment points.
- Includes a custom-cut polymer hard case for storage and transport.
This MR556 75th Anniversary rifle combines proven HK engineering with commemorative finishing and packaging. Its piston-driven reliability, cold hammer-forged barrel, and practical modern features make it suitable for precision-oriented range work and disciplined field use. The Tropentarn finish and anniversary detailing also make this a distinctive addition for collectors and shooters who value refined build quality and long-term durability.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
