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BC Custom

BC Custom - HyperBloc 100, Valve Housing & Power Block Upgrade, FX Impact M3/M4

(2 reviews) Write a Review
SKU:
APBC0078
$295.00

Out of stock

Description

Upgrade your FX Impact M3 or M4 with the BC Custom HyperBloc 100 Valve Housing & Power Block Upgrade. This premium kit is engineered for enhanced performance and reliability, offering a precision-fit solution for those seeking to get the most out of their air rifle. Whether you're looking for improved power delivery or a robust valve upgrade, this housing and power block set is designed for seamless compatibility with FX Impact M3/M4 models.

  • Compatible with FX Impact M3 and M4 models
  • Includes upgraded valve housing and power block for enhanced performance
  • Crafted for precision and durability
  • Ideal for shooters seeking to optimize their air rifle

Please note: This item may be subject to regulated shipping policies.

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2 Reviews

  • 4
    hyperbloc100

    Posted by nick merolli on Jan 21st 2026

    very well machined plenum works as should

  • 5
    hyperblock100

    Posted by dominic civiletti on Jan 15th 2026

    good product! Fast delivery!

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