Falcon have sent over details of their precision inner barrel for the WE GBB M4:
Special Use of Ripper Precision Inner Barrel for WE GBB M4 (8.5* 6.03)
Features: Strengthening the elasticity and the accuracy
Inside diameter 6.03mm, Length 363mm
For gun type: For WE GBB M4
Welcome to purchase! ~ contact Website: http://www.falcon-tw.com.tw/index.asp
Contact Us : sale_lon@falcon-tw.com.tw
(Falcon)
