NcStar 3-9X42 USS Gen II/ Mil-Dot w/Micro Red Dot Angel Customs It's an extended magazine that

It's an extended magazine that holds 40 rounds and is a must have for full-automatic airsoft action

a popular height for the AR15 platform of firearms

△ Supports green tracer BBs and gel BBs

They have a screw that can be inserted and tightened to keep your safeties tight and functional

This allows players to use higher-capacity batteries for longer gameplay without compromising the aesthetics or functionality of the airsoft gun

NcStar 3-9X42 USS Gen II/ Mil-Dot w/Micro Red Dot Angel Customs It's an extended magazine thatImproved: 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