AngryGun have sent over details of their new MUR-1S upper:
Here’s our new product – MUR-1S upper for WE GBB and Systema PTW and CTW
It made by CNC machine
Material: 6061 Aluminium
With Specific Dark White Laser Marking
Released Date: Jan 2015https://www.facebook.com/pages/AngryGun/284616511579592?ref=hl
(AngryGun)