Gray Ops CNC M-Lok External Weights mod then tighten the Allen bolt

then tighten the Allen bolt to the desired tension

For AICS magazines that are using a 6 Dasher/BR using Primal Rights conversion kits

Curtis Vector

With 4 ports it is another level up from the HELLFIRE brake

0 or later

Gray Ops CNC M-Lok External Weights mod then tighten the Allen boltGet the perfect balance with External forend weights. Designed for M Lok chassis with configurations similar to the MPA Matrix and MDT AAC. (Not compatible with MPA Hybrid or BA Comp Chassis). They will work with the MPA ESR and the early matrix models. FEATURES Black Nitride finish Integral Flush cup Shaped to be support hand friendly during push pull press positional shooting Compatible with MPA internal weight kits on Matrix Full kit (6 weights)