King Arms WA M4 GBBR Body review
The item was supplied directly from King Arms in Hong Kong. As per usual there communications are fantastic. Help is easily obtained from them. There was a delay in sending the item,
M4 GBBR enhanced recoil modification.
To carry out the M4 GBBR enhanced recoil modification you will need to get the following items together:
Old TM AEG spring.
RA-Tech WA/AGM NPAS Kit
The NPAS kit was supplied directly from RA-tech in Taiwan. Their customer service is pleasant and friendly. They had already noticed from my website (in my email signature) that I had an AGM M4 and advised me on what part I would need.