RA-TECH have a series of new products out. As usual GBB parts a plenty for tweakers out there:
Item name:WE steel CNC trigger assembly
Item no: RAG-WE–024
Price:$ 95 USDfeature
*CNC machining, metal made, more durable
*for WE series (M4 SCAR PDW M16)Item name: Reinforce WE #22 piston rubber
Item no: RAG-WE–019
Price:$ 7 USDfeature
*it could be used with low temperature
*duble O ring designItem name: RA-TECH KJ GBB M4 NO.09
Item no:RAG-KJ-002
Price: $ 10 USDfeature
"material improved rubber, more durable"Item name: RA-TECH Marui Hop up rubber
Item no:RAG-Marui–009
Price: $ 6 USDfeature
*For WE open bolt system used
*For Marui Hi-capa 5.1&4.3Item name:RA-TANAK-M700&M24 Bullet shell
Item no:RAG-Marui–009
Price: $ 20 USDItem name: AW-super recoil buffer (Ver. 2)
Item no:RAG-std-012
Price:$ 35 USDfeature
*increasing recoil power
*need to modify for using with WE Co2 version
*For WA,WE,INO(RA-TECH)