AR15/M4 下机匣 (Completed Lower Receiver)

 

谢谢VW308网友的帮助！

Strip Lower by Tactical Innovations
DPMS Lower Parts Kit
Standard Trigger Group tuned by Bill Springfield
Magpull Handgrip
Military Buffer Tube
H buffer & Spring
Magpull CRT Stock

This is a CA legal configuration, since I live in People's Republic of Kalifornia