Details
Metal Upgrade Kit
Lower Body had license from Magpul PTS
-For Marui M4 / M16 Series
-For M4A1 Extended Battery Buttstock (GP416 / GP417 / GP418)
Beautiful engraved with "Magpul " Marking
Package Included:
-New Dust Cover Set
-New Bolt Cover
-Metal Hop-Up Set
-Receiver Pin Set
-Forward Assist Knob