GAS BLOCK TOOL HK416 A5 MR556 A4 HEYCO 🇩🇪HAUSFebruary 20, 2025August 1, 2026

GAS BLOCK TOOL HK416 A5 MR556 A4 HEYCO 🇩🇪

$15.00

Gas block vent screw tool for HK416 A5 and MR556 A4 by Heyco Made In Germany

In stock

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Categories: DRIVERS, HK416, HK416 A5 UPPER RECEIVER, HK416 UPPER RECEIVER, TOOLS

Brand: HEYCO

Description

HK416 A5 gas block vent screw adjustment tool from Heyco

Do not use this tool to remove the vent screw from an MR556 A4 gas block for the first time, you could damage the tool, for that you should use an individual T20 bit with a bit driver or wrench.

Heyco Torx screwdriver with rubberized plastic handle
Tipsize: T20

Blade length: 100mm
Blade: Molybdenum-Vanadium, chrome plated (with black tip)

Compatibility:

HK416 A5 and MR556 A4

Made In Germany

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