4v 1000mAh Stick Type Lipo airsoft battery is a high performance lithium airsoft gun battery

Side to Side Toggle On/Off End Cap Switch

Metal loop will accommodate 1

as too much torque could break the screw

NcStar 3-9X42 USS Gen II/ Mil-Dot w/Micro Red Dot VFC 4v 1000mAh Stick Type LipoImproved: Scope Centerline height raised to AR15 1 scope height and more room for low profile Rear BUIS Blue & Green Color Illuminated reticle, with multiple brightness settings for each color Improved: Lowered BDC Turret height, for lower mounting height for the Micro Dot Reflex Optic Improved: Auto Locking Quick Release mount and a more compact QR Lever The Ultimate Sighting System (USS) Gen II gives you all the Benefits of a Mark III Tactical 3 9X