- This full metal constructed AEG.

 - Realistic integrate bolt catch/ release system in the ELITE version

 - Accessible hop up unit make adjusting the range easily.

 - It is a 10.5 inch outer barrel CQB rifle which comes with crane stock.

 - Aluminum RIS handguard with beautiful finishing.

 - An unique serial number and King Arms logo marking are laser engraved on the lower receiver of each rifle.

 - Mosfet assembly provides better trigger contact.

 - Adjustable flip-up rear sight.

 - Package comes with 300 rounds high capacity magazine and vertical tac grip.

King Arms M4 CQB with Mosfet Advance