ZCI / XT M4 Compression Upgrade Kit

Availability: In Stock28
Brand: ZCI
Product Code: A001
Product viewed: 12118

Available Options

* Cylinder Type:

Custom upgrade compression kit based on ZCI components.

PLEASE NOTE: Image may not reflect current availability.  Please see description below.

This kit provides the following upgrades:

- ZCI aluminium nozzle with single o-ring (21.4mm)
- XT aluminium cylinder head with padded bottom and double o-rings
- ZCI Stainless steel cylinder (72mm length, 23.7 inner diameter, 25.5 outer diameter) 
- ZCI 6 vent aluminium piston head
- ZCI 14 steel tooth piston 

Cylinder Size Guide

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