Tokyo Marui MWS base AR15 custom upper - 7

PLA 3D printed
For AIRSOFT USE ONLY
TM MWS trigger box
SLM (stainless steel) printing boltcatch
232g steel buffer, 140% buffer spring
Bolt carrier interference test + 3D printing chamber extension
custom lower + upper Combined / shooting Test
Boltcatch function / trigger reset
(refill green gas)