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Test hop-up behaviour after installation and adjust accordingly for optimal accuracy and range
1x LA Capa Customs "S2" Flat Trigger
1x Wiring set (select front or rear wired when purchasing)
the EPG-C ensures improved handling
Model Number: CL25
RetroArms CNC Air Nozzle – 21mm Carbon Fiber Test hop-up behaviour after installationThe RetroArms CNC Air Nozzle 21mm is a high precision upgrade designed to improve air seal, feeding reliability, and overall consistency in your AEG build. Made from durable CNC machined aluminum, this nozzle features an internal O ring to maximize air pressure delivery between the cylinder head and hop up chamber. Perfect for custom setups or replacements, this 21mm nozzle is ideal for specific M4, MP5, or other platforms that require this exact