Full Metal Construction. Short stock tube lower receiver set (Ver. 2). Package includeds: Metal Body Set with licenced marking X1 Dummy Forward Assist Assembly Set X1 MADBULL Ultimate Hop Up Unit Set X1 Adjustment Screw, gearbox pin, trriger guard pin, receiver pin set and dummy pins set X1 Suitable for Ver 2 Gear Box. Manufacturer: MADBULL
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