FULLY ASSEMBLED AND WIRED BY Beastpro
Grab yourself one of these while they last.....great nylon shell and a good start for an upgrade or just a spare box to drop in.
Standard gears and internals safe to handle up to 1.2mm spring and 270 fps as it is now.
FULL NYLON GEARBOX FOR M4A1 GEN8 / SCAR V2 / MP5 V2 / UMP45 etc
JINMING BRAND.
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