The PSA JAKL 9mm Buffer With Brace/Stock Adapter Assembly in FDE comes with our JAKL brace/stock adapter, threaded adapter, buffer ring, & adapter screw to transform your AR-V lower into a JAKL lower receiver to fit and function with JAKL 9mm upper receiver assemblies.*The included Blue LoctiteA(R) must be used for the threaded adapter and adapter screw to avoid backing out during the use of the firearm.*