Arcturus LWT MK-III Carbine 12in SPORT AEG SE Starter Pack Airsoft Gun Grey. This includes a 11.1V 2000mAH Li-ion battery pack a B3 Pro Li-ion / Li-Po balance charger as well as a 350 FPS indoor spring. The Sports series features a programmable mosfet and optical trigger with a forged style receiver that include metal inserts for improved strength and rebuildability. The starter pack is designed for beginner airsofters who are looking to get in the field right away with a reliable lightweight high performance and sleek AR style AEG. Specifications for Arcturus LWT MK-III Carbine 12in SPORT AEG SE Starter Pack Airsoft Gun: Manufacturer: Arcturus Gun Model: M4 Barrel Length: 15 in Fabric/Material: Polymer/Aluminum/Steel Magazine Capacity: 350 Round Velocity: 350 - 400 fps Battery Type: Lithium Ion Features of Arcturus LWT MK-III Carbine 12in SPORT AEG SE Starter Pack Airsoft Gun 2 - Level Pre-Cocking 2 - Level Active Braking Progressive Trigger Programmable Fire Modes Binary w/ Automatic Ramping Low Battery Protection Electronic Fuse Package Contents: Arcturus LWT MK-III Carbine 12in SPORT AEG SE Starter Pack Airsoft Gun ARCTURUS AEG ARCTURUS AR MOD1 M4/M16 350Rds Windowed EMM Magazine 11.1V 2000mAH Li-ion Battery Pack B3 Pro Li-ion / Li-Po Balance Charger 350 FPS Indoor Spring ABUS Folding Back-Up Sights Deans to Mini-Tamiya Converter User Manual Cleaning Rod Armor Tool Patch Stickers What firearm models does the manufacturer say Arcturus LWT MK-III Carbine 12in SPORT AEG SE Starter Pack Airsoft Gun is compatible with? The manufacturer says that Arcturus LWT MK-III Carbine 12in SPORT AEG SE Starter Pack Airsoft Gun is compatible with M4Arcturus AT-ST03-CB-SE-GY-PK: LWT MK-III Carbine 12in SPORT AEG SE Starter Pack Airsoft Gun Grey