Prototype division is a new production line of SRU brand.

SRU apply 3D-weaving technology on manufacturing. This way leads concepts boom out with no limitation, also makes it much more faster to push theses amazing ideas from SRU design house into the market.

SRU GLOCK Carbine PDW Kit for Umarex G17 Gen3/ 4 GBB Pistol
3D Printing Technology Carbine PDW Kit
Include Frame, Stock & Rail
Innovation Shape & Detail Marking
Designed for�Umarex G17 Gen3/ 4 Series Airsoft GBB Pistol
Versatile configurations for CQB or Personal Defense Operation

Package Not Include Psitol