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The Miniature Rifle Optic (MRO) is a reflex-style
by the wizards at WM (Western Manufacturing)
Compatible with dual or single solenoid AEG gearbox conversion kits such as the F2
5mm Outer Diameter
WM MWS GBBR Trigger Box Sainless Steel Gel Blaster, MWS Parts gbbr spring The Miniature Rifle Optic (MRO)DESCRIPTION: The WM Complete Trigger Box is designed for MWS M4 AR 15 series gas rifles. Crafted from CNC machined 303 Stainless Steel, this housing offers exceptional durability. Its internal components are made from 303 stainless steel, ensuring reliable operation. The trigger box also includes a steel bolt catch for added strength. Installation is made easy with a drop in fit, though some technical skills may be needed. Upgrade your rifle with this