One of the recommended DMRs for airsoft use, the G&G TR16 MBR 308WH AEG is available at AirsoftZone, an Austrian airsoft retailer. This has a length of 965mm and 875mm when stock is retracted. Just like the newer G&G AEGs, this comes with the ETU as part of the package. It has a low prifle bladed trigger and comes with a 14mm CCW thread if you want to attack a mock suppressor or tracer unit.
Maniek44 got his hands on the G&G TR16 MBR AEG to do a disassembly and assembly to review the internals of this AEG. This comes equipped with ETU, with a redesigned bevel gear, double o-ring air nozzle and quick spring change as well as a power cut off when the magazine gets empty.
Airsoft Station gives 5 stars to the G&G TR16 MBR 308WH AEG in this overview video... "G&G prides itself on producing high performance airsoft guns with long range accuracy, and creating extremely accurate replicas of models held in high regards by military and law enforcement agencies.
USAirsoft reviews one of the TR16s from G&G Armament that is quite a mouthful to pronounce, the G&G TR16 MBR 308WH G2 AEG. This has its electronic trigger unit is now 50% smaller than the previois version with the ETU, an electric cutoff happens when there is no magazine inserted. As always, you can adjust the burst fire with the G2 MOSFET.
G&G Armament officially release the TR16 MBR Series which have been reviewed previously by Airsoftology... "Introducing the newest MBR Series from G&G Armament. The new MBR Series features our revolutionary G2 gearbox for superior performance and range straight out of the box. The TR16 MBR 556WH comes with an M-LOK metal rail and is compatible with any M4 magazines. Whereas, the TR16 MBR 308SR and TR16 MBR 308WH come with a metal Keymod rail and a proprietary 40r 308-style magazine.