Choose Options Rifle Dynamics Quickhatch/Mk.II - Texas Weapon Systems Top Cover Modification This service is for existing Rifle Dynamics Manufactured Mk.II & Quickhatch Models, and Arsenal/K-USA/Palmetto/WASRs that have ALREADY undergone RD Mk.II/QH gunsmithing services. NOTE: Excludes AKV Quickhatch & MK.II Conversion(Receiver is... MSRP: $700.00 Choose Options