The device and the collar are both compatible with the car stock wrench tool included with the Optimus silencer. Additionally a strap wrench (not included) may provide useful utility especially when removing accessory mount interfaces from the Optimus silencer.
Weighing 5.7 ounces, the Optimus A2 mount can be used on 5.56mm AR's to and with the 30SD flash comp it will support centerfire calibers up to .308 Winchester.
Minimum barrel length caliber ratings [A2 mounted Optimus silencer with taper lok baffle]:
.308 on barrels down to 16".
8" 300BLK super or subsonic
Compatible Griffin Mounts:
M4SD Tactical Comp, M4SD Flash Comp, M4SD Paladin Brake, M4SD Hammer Comp, 30SD Flash Comp, A2 compensator
We do not study the myriad of devices on the market. If a company wants to see if their device is compatible they can send us a blueprint of the device and a sample. Email: Tech@griffinarmament.com