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 AK47 Bullup Kit for Marui/Cyma AK47 AEG (Black)
3D Printing Technology Bullpup kit
Include Frame, Handguard, Front Set & Stock
Innovation Shape & Detail Marking
M1913 20mm Rail on Handguard
With QD Sling Mount On Both
Designed for Tokyo Marui/ Cyma AK47 Series Gas Blow Back GBB Rifle

Package Not Include Rifle