Replicas of the Korean GBLS (DAS system) are unique when it comes to the design and the offered level of realism - for details please refer, for example, HERE. Today, PopularAirsoft portal has announced GBLS plans for making an HK416 carbine replica. The information reads that at the SHOT Show Japan 2019, which has ended a few days ago, prototype models were presented.
Other news from the Korean manufacturer announced for coming year is the AK carbine announced earlier and the Daewoo K2 replica.
Source: PopularAirsoft