PLANET ECLIPSE CS3 Color:Havoc Charging handle locks open for CA1957BN Charging handle locks open for easy hop up access Perfectly balanced with center of gravity over feed neck CS3 Features+ OP Core Drivetrain+ High Flow FT Bolt+ CS3 3D Milled Aluminum Body+ CS3 Quick Release Bolt Mechanism+ CS3 Frame With Extended Reach and revised Grip Geometry+ 3 Stage Bolt Acceleration+ Fully Decouple Drive (FDD)+ Auto Dwell Dynamics (ADD)+ 50% Larger Valve Chamber Volume+ Lower Operating Pressure 95 105psi+ Reduced Bolt Force+ Reduced Recoil+ Reduced Sound Signature+ Deftek Breech System (DBS)+ 5 Point Adjustable Blade Trigger w Rake Control+ S63 Pro Barrel Total Length 14 689" Inserts+ MME Electronics Package+ Wireless Communications+ OLED Rear Mounted Heads Up Display+ Quick Release Toolless Eye Covers+ Onboard Spare Detents+ Hoseless Air Transfer System+ Low Profile CS3 POPS Assembly+ Two Piece Tool Less Wrap Around Interlocking Grips With Sealed Push Button Console And Magnifying Display Lens+ Low Profile Feed Neck With Locking Sprocket Wheel+ Non Slip Rubberised and Textured Foregrip+ Lock N' Load Battery Holder+ 2 X AA Battery Operation+ Tool Less Battery Replacement+ SL5 Inline Regulator In Grip Frame+ Frame Mounted Electronics (FME)+ Ultra Low Power SMC Pilot Valve+ User Serviceable Solenoid Assembly+ Parallel Processing with Two 16bit Microprocessors+ Micro USB Programming Port+ E portal and E Portal Lite App Compatible+ Fully Mech Compatible Mech Frame Sold Separately