An SBR version of the G&G TR16 308 sories in the form of the G&G TR16 SBR 308 MK1 AEG is available in Europe. Tom's Airsoft Channel checks out the build quality which comes with an M-LOK rail system, adjustable stocks, and flip up sights. As this comes with the ETU system, it has more shooting modes as well as cut-off feature when the magazine empties.