The SHP plenum is a major upgrade for the FX DRS 500 and 600 with the standard HP plenum!
The larger volume of regulated air gives the DRS greater efficiency and power potential.
BASIC MODULAR STABILIZING WEIGHT SYSTEM Benchrest Shooting: Provides stability for precision shooting from a fixed position. Extreme Long-Range Shooting: Helps maintain accuracy over long
Tuning for power? This heavy hammer weight is an upgrade that extends the valve's open time, releasing more compressed air to propel the projectile out of the barrel.
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