Internally, this rifle features a very unique gearbox design. The upper receiver consists a functional charging handle and bolt catch to allow ease of use when adjusting the hop up. The trigger contains a straight trigger commonly found in competition rifles for a more pleasing aesthetic appearance and function for the shooter. The selector only needs to turn 45 degrees to switch from semi to full auto instead of the traditional 90 degree turn. The left and right side of the gun run an ambidextrous fire selector but with a twist. The Modify XTC Carbine features a billet style aluminum upper and lower receiver as well as a keymod front rail system made out of aluminum as well for overall durability without increasing the overall weight of the rifle. The magazine can now insert into the AEG easier than before without much of struggle at all. Modify has revamped the hop up arm to provide better performance and precision with. The newest version now come with an AOE kit for better gear alignment. With all those parts combined, they have come out with their own complete airsoft gun. Modify Airsoft has been well known in the airsoft market for providing high quality internal upgrade parts and accessories for a wide array of rifles. The XTC Carbine AEG is the newest version rifle from Modify Airsoft.