These weights mount on to the exterior of any chassis or stock that is M-Lok compatible. They mount using standard hardware and M-LOK T-nuts, meaning that you can install and remove them as necessary on your system. A pair of weights and hardware will add 0.78 lb to your chassis/stock.
This product has been designed to fit any chassis or stock that is M-Lok compatible. These weights will fit on the MDT ACC, ESS, TAC21 (M-Lok forend) and LSS-XL Gen2 chassis.
Do not over torque mounting screws past 30 in/lbs. Use blue Loctite as necessary during installation.