Your Ultimate Airsoft Upgrade Destination

Welcome to CS Pro Custom, your premier online store for GBB pistol upgrade parts, specializing in SpeedQB, action air, practical shooting, and collector and milsim gear.

A hand wearing a black glove holds a metallic piston above an open engine cylinder. The engine components are detailed, with visible bolts and a smooth metal surface inside the cylinder.
A hand wearing a black glove holds a metallic piston above an open engine cylinder. The engine components are detailed, with visible bolts and a smooth metal surface inside the cylinder.

150+

15

Trusted by enthusiasts

Quality assured

Contact Us for Upgrades and Inquiries

Reach out for questions about our airsoft upgrade parts.

Our Location

We are located at the heart of the airsoft community, providing access to the best upgrade parts for enthusiasts and collectors alike.

Address

58 sct. Castor St. Diliman QC

Hours

11 AM - 7 PM(Scheduled pickup and drop off only)