Area 419 Hellfire Suppressor Mounts w/Wrench CRUX Suppressor Mount Adapter Black Nitride 419ADT-CRUX. 5 lb Condition: New Country of Origin: USA Gun Make: Universal Gun Model: Universal Features of Area 419 Hellfire Suppressor Mounts w/Wrench Allows the mount to be much more compact and adds very little to the overall length of the system We recommend blue Loc-tite on the external threads of the mount to hold it semi-permanently in the suppressor. Since you will be threading the can on in a left hand direction now if it is not torqued properly into the suppressor you may unscrew it when attaching to the barrel. No fear though its impossible to get the two stuck together in this situation due to the opposing thread directions simply turn it the other way and they will separate then start over. Package Contents: Area 419 Hellfire Suppressor Mounts w/Wrench What firearm models does the manufacturer say Area 419 Hellfire Suppressor Mounts w/Wrench is compatible with? The manufacturer says that Area 419 Hellfire Suppressor Mounts w/Wrench is compatible with UniversalArea 419 419ADT_CRUX: Hellfire Suppressor Mounts w/Wrench CRUX Suppressor Mount Adapter Black Nitride