Maxx CNC Aluminum Hopup Chamber M4A - PRO (Standard M4)Precision engineered CNC aluminum hopup chamber designed for Tokyo Marui, G&G, and KRYTAC Standard M4 M16 AEG platforms. Features an aluminum rotary dial knob for fine adjustments, precision hopup lever, and interchangeable 4mm bucking nubs (6mm optional) to deliver consistent accuracy with R Hop and standard hop setups. The M4A Pro incorporates an innovative BB latching system that prevents BBs from dropping when removing the magazine, with manual
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Maxx CNC Aluminum Hopup Chamber M4A - PRO (Standard M4)