The Valken ASL M4 AEG TRG Black version is a killer new airsoft rifle based on the M4 carbine. The TRG unique rail system has both keymod side rails and standard under/top rails for accessories.  345 FPS w/.20g BBs (335-345 FPS range).Uses a 9.6v 1600mah nunchuck style, or 7.4v lipo stick or 7.4v nun-chuck. (not for use with 11.1v).  *Battery and charger not included.  Uses 9.6v 1600mah nun-chuck battery and smart charger (sold separately).  You can also use a 7.4v li-po or li-ion nun-chuck or small stick battery and lithium charger (optional).  The ASL is an easy to use, robust, and solid gun for new or experienced players alike.  We also recommend optional accessories:  barrel sock, gun bag (36 inch or longer), 1-point bungee sling, and BBs of your choice.One of our most popular starter gun setups!  The new TRG ASL is based upon the success of the previously popular 'Battle Machine V2.0 series' from Valken.  The ASL features a solid metal gearbox AEG, shoots great, easy to use, and a lot of fun.  Uses all standard M4 airsoft gun parts, magazines, and accessories.  If you're unsure of what gun to purchase, we definitely recommend the ASL M4 guns.