**Gas block roll pin not included
Handguards and free float rail are a couple of the most common upgrades given to an AR-15. Unfortunately, the standard A2 front sight gas block renders many of them incompatible. With the Troy Industries Low Profile Gas Block, you can now install whatever type of handguards or rail systems you want on your AR-15, even if they extend past the block location!
The low profile design of this gas block will not interfere with installation. Troy Industries has machined this gas block from stainless steel. It is protected from corrosion by a strong coating of black oxide. Two set screws on the bottom of the gas block prevent it from coming loose under high-volume fire.
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