‧Steel construction‧CNC machining‧Replace original part‧Allow M4 GBB to shoot in 3 rounds burst‧Four shooting modes: Safe / Semi / Burst / Auto‧Comes with Steel trigger and sear spring‧Comes with Steel hammer and sear spring‧Comes with Steel 3 rounds burst selector‧Comes with Steel 3 rounds burst ratch‧Suitable for WA / G&P / Inokatsu M4 GBB RifleMaterial: SteelManufacturer: ZParts
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