SRU M14 Bullpup kit with Two side rails SRU M14 Bullpup kit for MARUI/CYMA AEG version and WE TECH GBB verison. *This product is made by 3D printing(FDM)SR-BUP-14-SETSKU: SR-BUP-14-SET $205.00 Regular Price$164.00Sale PriceQuantityAdd to Cart