JBU M120 Upgrade/Tune Up Kit for M16 AEG

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SKU: SDJA42

JB Unicorn M120 Upgrade/Tune Up Kit for M4 AEG

Includes: M120 Spring, Reinforced Piston, Metal Spring Guide with Bearing, Aluminum Air Nozzle, Full Cylinder, Aluminum Cylinder Head and Piston Head.

MSRP: $75.00