Soon to be posted here on Popular Airsoft is Master Chief's review of the Specna Arms SA-G10 AEG. Part of the Specna Arms G Series this has a KeyMod handguard which acts as the battery holder and electric blowback system. Just like the other Specna Arms AEGs Enter & Convertquick spring release system.
One of the AEGs in the Specna Arms G Series, the SA-G10, gets reviewed by the Airsoft & Milsim News Blog... "Specna Arms, who have become known as a provider of affordable yet high quality M4 AEGs, have come out with a completely new line of rifles. As the moniker implies, the G-series expands the lineup of SA rifles with G36 AEG replicas.
Here is a quick look on the SA-G10 from the new Specna Arms G Series available at Gunfire... "Specna Arms — the brand which has recently been getting more and more credits from people from the airsoft world presents the completely new series of replicas — SA-G series. The SA-G is the series of replicas that can successfully compete with much more expensive ones from other manufacturers. It is mainly thanks to their high durability and meticulous attention to details.