okay quality but it doesn't fit
Mounts without problems, and gives a S.F. look ;)
The piece takes place of the old one perfectly, The relief is especially noticeable during the blowback
Couldn't load pickup availability
Description:
The GHK M4 Hop-Up System for the GHK AR GBB series is a 2022 new system, it helps for easy to adjust the Hop-Up without removing the handguard.
Specification:
Contents: