The new M4 CQB RIS Carbine from Lancer Tactical has an outstanding list of included features to set itself apart from the competition. This rifle is built with a sturdy full metal body and one piece barrel, ensuring your rifle is ready for the most harsh battle conditions without risking integrity. The functional dust cover, detachable carry handle, and metal functioning bolt catch add to the overall realism of this replica, making this a fun weapon for airsoft enthusiasts. With the integrated six-position adjustable rear stock, players of all sizes can use this rifle with no limitations and can easily be adjusted for CQB and long range engagements. The full length metal RIS top rail and metal quad-sided RIS Handguard allows for players to customize this rifle how they see fit by adding accessories like Optic Scopes, Red Dot Sights, Grips, and Tactical Lasers or Flashlights. The rifle also comes with adjustable flip-up rear iron sight and integrated front sight so you can zero in your target accurately even in CQB situations where using an optic scope may prove difficult. Internally, the Lancer Tactical M4 CQB RIS Carbine is fitted with a metal reinforced, fully upgradeable Version 2 Gearbox which contains high quality full steel gears, M110 spring, metal spring guide with bearing, reinforced cylinder head and per-corrected ported piston. The 420 FPS will have your enemies shaking in their boots when they are confronted with this HPAEG. This next level gearbox also comes with metal precision 8mm bearing and bushing set to ensure rapid, smooth gear change and long lasting durability. As an added bonus for the shooters who love to modify their AEGs, this M4 AEG comes equipped with a full metal 4.5-inch barrel extension (14mm counter clockwise threading) that allows you to install longer inner barrels for improved range and accuracy. Lancer Tactical made sure this gun comes skirmish ready, by including a 8.4v 1200mAh Battery and Charger with every package. Utilize the adjustable hop-up to account for target range and wind conditions in order to get that perfect shot, every time. By combining a durable full metal build with the power and accuracy needed to take out the competition, the M4 CQB RIS Carbine from Lancer Tactical is an AEG that will surely resonate with players of all skill levels and play styles.