Hop up rubber 50° for tm gbb / vsr-10 exclusive for barrels poseidon (ph-g04)

BRAND POSEIDON

50° hop up rubber.
For TOKYO MARUI GBB & VSR-10 series.
For POSEIDON barrels.

No Best, Only Better! .Because GBB loading is through a bolt’s blow back, need a stronger structure to stop BB. After installing our GBB rubber you can enjoy AEG full auto trajectory on GBB.