Just finished my DMR build on my KJW M4, here's some specs and pictures !!
Externals:
-Full metal KJW M4
-Madbull Viking Tactics 13" Free float rail
-4x32 illuminated scope
-Magpul PTS PRS stock (custom fit)
-150mm silencer
-G&P stubby grip
Internals:
-V2 KJW Bolt
-Cradle airsoft velocity reducer
-RA-Tech blue hop-up rubber
-Madbull 6.01mm x 509mm tighbore (custom fit)