Muzzle Velocity Reduction Adaptor. It reduces the velocity with 40-50%. Equipped with 14 mm internal thread (threaded to the left - CCW).
The set has also 4 plastic rings of different colours (white, yellow, red, blue) to mark the muzzle velocity.
The adapter is designed to replace the entire outer barrel assembly or the front part of it, to provide a better quality, more robust and more precise..
For mounting standard 14mm CCW accessories, such as barrel extension, flash hiders and other similar accessories. This adaptor replaces the 18mm flash..