Heckler & Koch MR556 A4 Slimline Buttstock
Genuine Heckler & Koch slimline retractable buttstock for AR-15 and M16 rifles. Black polymer construction fits all commercial and mil-spec buffer tubes.
Fits: AR-15
Heckler & Koch MR556 A4 Slimline Buttstock
This is the genuine article—the slimline retractable buttstock from Heckler & Koch, the same stock issued on their professional-grade MR556 rifles.
Design & Compatibility
Universal Fit: The MR556 A4 buttstock accommodates all commercial and mil-spec AR-15/M16 buffer tubes, making it a straightforward upgrade for most modern sporting rifles.
Slimline Profile: The reduced-profile design provides a more streamlined appearance and improved ergonomics compared to standard stocks, without sacrificing functionality or cheek weld.
Construction
Built from durable black polymer, this stock is marked with the Heckler & Koch logo—a mark of quality from one of the world's most respected firearms manufacturers. The retractable mechanism allows shooters to adjust length of pull for different shooting positions, gear configurations, or shooter preferences.
Practical Application
Whether you're building a precision rifle, upgrading a duty weapon, or simply seeking the reliability that comes from professional-grade components, the MR556 A4 delivers the German engineering and attention to detail Heckler & Koch is known for.
