and hop up of an M4 V2 AEG

1v LiPo Butterfly Type Recommended (Wired to handguard w/ small Tamiya)

Dual hard knee pad inserts offer impact protection while maintaining slide-ability on most surfaces

24 in (57 mm)

All slides feature deep-engraved SAI trademarksThe gold barrel features deep-engraved SAI trademarks

HK Army HSTL Goggle Carbon Fiber Black suppressor and hop up of anHSTL Goggle System Composed of a robust blend of thermoplastic, the design of the HSTL face mask protects critical areas of the user, while still promoting supreme breathability and freedom of movement. The HSTL Goggle System features the quick change lens retention system which allows the player to replace their lens in seconds without the use of tools. Details Snap in place removable upper and lower goggle foam insert Optically correct high