MarekGunworks

MarekGunworks develops aftermarket components and upgrade solutions for Heckler & Koch firearm platforms. Their products focus on adding functionality and modernizing specific components while maintaining compatibility with the original firearm.

At CSR Precision, our MarekGunworks selection includes adjustable gas blocks for the HK416, MR223 and MR556 platforms, as well as AR-15 style grip modules for the MP5 and SP5. Our selection will expand as additional MarekGunworks products become available.