HPA Regulator Part

HPA Regulator Part – Piston Assembly with O-Rings for BO Reg

Restore your BO regulator’s performance with this complete Piston Assembly, pre-fitted with high-quality O-rings for optimal sealing and consistent air pressure control. This essential replacement part ensures smooth regulator operation and long-term reliability under demanding paintball conditions.

Features:

• Complete piston assembly for BO HPA regulators

• Includes pre-installed O-rings for airtight performance

• Maintains consistent output pressure and flow

• Precision-machined for durability and fit

• Ideal for regulator rebuilds or performance restoration