The Blue Can was designed to give the end user a realistic weapon length in force-on-force/NLTA training. Non Lethal Training Ammunition was not designed to be shot through a suppressor, and can have catastrophic results if they get stuck in the baffling of the suppressor. This training aid replaces your suppressor when training force on force to keep your rifle the same length in training as it is in real life.
The UNIT4 Training Rifle can be equipped with the full length blue can as part of your order.