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The HK Army MP5 Regulator
allows the end-users to maintain a vertical spine
Dual-Pane Thermal Lens for Superior Anti-Fog Performance
Patented Technology
Retro Arms CNC Hop Up Chamber m4/m16 Condition:Used The HK Army MP5 RegulatorCNC Hop Up Chamber AR15 BASIC PRO ULTRA Machined from aviation grade aluminium EN AW 7075 on precise CNC machines. R Hop ready and designed with tight tolerances for superior performance. BASIC: Reliable, precise drop in hop up chamber. PRO: Redesigned version with adjustable feeding shaft and enhanced compatibility. ULTRA: Fully customizable version with adjustable nozzle shaft and barrel centering system.
US$ 19.99
US$ 19.99
US$ 59.99
