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The Diamondhead Low-Profile Gas Block replaces an existing fixed front sight when installing a Diamondhead VRSX or VRST hand guard. The low-profile gas block installs quickly with two fastening screws. It is precision bored to .750" diameter and manufactured from Parkerized steel.

Features:

- Replaces existing front sight/gas block and allows for the mounting of a VRSX or VRST Handguard
- Clamps to barrel with two fastening screws
- Precision machined to .750" bore diameter