PDI released a Muzzle Fit Spacer For the Tokyo Marui LCP NBB pistol to fill the game when mounting the PDI Attachment for the TM Glock 17 so you can mount a compatible suppressor or tracer unit... "It is a part designed to fill the gap created when PDI attachment for Tokyo Marui Glock 17 is installed onto a inner barrel with a length of 89 mm or more for Tokyo Marui LCP.

A howto video from PolarStar Airsoft with thier spacer to allow to put in a regular M4 chamber to a G&G SR-25 equipped with a Fusion Engine... "Have a G&G SR-25 with a Fusion Engine inside and want to upgrade the barrel group? Check out this spacer which allows you to use traditional M4 series chambers in place of the original proprietary chamber!"

Another ICS class video courtesy, of who else? ICS Airsoft. In this episode of the series, they shouw you how to change the Hop-Up Bucking and Space of your airsoft gun, in this case they prefer to show it done with an ICS Airsoft gun. For those new to maintaining airsoft guns, this is a video to watch and learn.