The TacFire AR-15 Gas Block (TacFire part no. MAR001S-936) is an all-steel, low-profile micro design that replaces the standard A2 front sight, letting a longer handguard run over the gas system without barrel modification.

Key Specifications

• All-steel construction
• Low-profile micro design replaces the A2 front sight
• Fits .936-inch diameter bull barrels
• Compatible with .308 and 5.56/.223 chamberings
• Works with Mid-Length, Rifle-Length, or Specter-Length gas systems
• Roll pin and set screws included, no barrel modification required

Frequently Asked Questions

Will this work on my bull barrel without machining? Yes, TacFire states no modification to the barrel is required for installation.

What handguard lengths is this meant to pair with? It’s designed to allow a Mid-Length, Specter-Length, or Rifle-Length handguard to be run over a shorter gas-system barrel.

Buy the TacFire AR-15 .936 Bull Barrel Gas Block, Steel

Order this gas block from our TacFire lineup, browsable in our full pistol grips selection, with fast, insured shipping from our Lubbock, Texas gun shop.