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Mfg Item #: 3131
The Diamondhead Low-Profile Gas Block replaces an existing fixed front sight when installing a Diamondhead VRS X-556 or VRS T-556 hand guard. The low-profile gas block installs quickly with two fastening screws. It is precision bored to 0.750 diameter and manufactured from Parkerized steel. - Replaces existing front sight/gas block and allows for the mounting of a VRS X-556 or VRS T-556 Handguard - Clamps to barrel with two fastening screws - Precision machined to 0.750 bore diameter