- RA Precision Inner Barrel 6.01
- RA Steel Hammer
- RA Steel Sear
- RA Steel Trigger
- RA Steel Valve Locker
- RA Steel Firing Pin Base
- RA Hop Up Rubber
- RA Complete Bolt Carrier
- RA-Super Recoil Buffer (Ver. 3)
- NPAS KIT
이렇게 옵션달면 장단점이 뭐가 있을까요
이렇게 옵션달면 장단점이 뭐가 있을까요