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GBB upgrade parts


The GBB internal parts will allow you to upgrade (booster) or downgrade (debooster) your GBB airsoft replica. The parts below will also allow you to replace your original part. You will find in this category, hop-up seals, precision barrels, hop-up blocks, valves, piston heads and other internal parts. You will also find spare parts to upgrade the look of your replica.

Upgrading or downgrading a replica may require some skills and tools, if you don't dare to do it yourself, a customization service is available at the store.

Find below, our catalog of GBB internal parts of the most famous brands in the world of airsoft such as Maple Leaf, PDI, Prometheus, Peregrine Airsoft, FPS Softair, Maxx, Cowcow Technology, Poseidon, Tokyo Marui and many others!



during the day before 2pm

paiement en 2-3-4 fois avec Alma


in several installments (ALMA)

tout nos produits sont disponibles immédiatement dans notre entrepot en france


available immediately

notre equipe est disponible au 0320322544

Customer service

+33(0)3 20 32 25 44