The T238 Piston Rack Pro Edition is a high-performance, budget-friendly upgrade for players looking to strengthen their piston assembly without overspending. Compatible with all Tokyo Marui–standard V2/V3 gearboxes and their derivatives—including M4, AK, MP5, G36, P90, AUG, VECTOR, and similar platforms—this is an ideal drop-in solution for anyone wanting a stronger, more reliable piston than the OEM unit.

Engineered with DC53 steel teeth (HRC 60–63) paired with a PA66-33G reinforced polymer body, it provides excellent durability, clean engagement, and long-term consistency. The standard 5 mm mounting interface supports most piston heads on the market. Perfect for milsim and speed-QB users who need dependable performance under high stress and rapid-fire conditions.

Specifications

• Dimensions: 66.4 × 21.4 × 15.7 mm (inner diameter)

• Piston Head Mount: 5 mm

• Materials: DC53 steel teeth + PA66-33G reinforced polymer body

• Tooth Count: 13.5 (half-tooth design for smooth engagement)

• Weight: 17.8 g ± 0.5 g

• Compatibility: TM-standard V2/V3 & clones (including P90, AUG, and similar models)

• Maximum RPS: 50 RPS

• Maximum Spring: M180

Includes:

• 1× Piston Rack Pro Edition