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This HPA M4 Grip is made by 3d printing technology, it is adding a nice touch on you replica with the openstyle / Skeleton design. Its architecture also allows to hide the 6mm hose of the HPA system directly in the profile of the grip and become invisible. Compatible with all HPA systems with a 6mm macroline hose (or less outer diameter), be careful however only the hose can be slipped inside the grip, so it will be necessary to install US or EU connector after installation.
Instructions: start by inserting your hose at the entrance of the grip in the sheath, and once out use the four fixing screws provided to fix it on your replica. You can then finalize the installation by adding your HPA connector.
