M4 Compression Upgrade Kit

£24.00
Availability: In Stock
Brand: ZCI
Product Code: A001
Product viewed: 3644

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Custom upgrade compression kit that has been put together using components which offer the best compression fitment.  Please note that due to changing stock levels I sometimes have to change-up the parts.

This kit provides the following upgrades:

- Rocket aluminium nozzle with single o-ring (21.4mm)
- XT aluminium cylinder head with padded bottom and double o-rings
- ZCI or XT Stainless steel cylinder (72mm length, 23.6 inner diameter, 25.5 outer diameter) (currently XT)
- ZCI, XT or Rocket aluminium piston head (currently XT)
- ZCI or XT White 14 steel tooth piston (currently XT)

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