Laylax got this video for those who purchased Nine Ball S.A.S. Front Kit NEO R For TM Hi-CAPA5.1 GBB to help them install it... "This item is compatible with the Tokyo Marui GBB Hi-CAPA5.1 Series. The SAS Front kit is compatible with 14mmCCW accessories.

SAS & front kit is attached to the lower frame, and not directly to the outer barrel. Therefore, the effect to its movement is kept minimal.