The TROY .750 Low-Profile Gas Block is designed for AR-15 pattern rifles and barrels that feature a .750 inch gas block seat. Its low-profile form provides clearance under many aftermarket handguards and rail systems. The block is machined from 4140 pre-hardened steel and finished in black for serviceable corrosion resistance and fit. It secures to the barrel using two set screws; the gas tube roll pin is not included.
Key Specifications
- The product type is Gas Block.
- Designed for a gas block seat diameter of .750 inch.
- Machined from 4140 pre-hardened steel.
- Finished in black.
- Style is Low-Profile.
- Secures to the barrel with two set screws.
- The gas tube roll pin is not included.
- Listed weight is 0.09 lb.
- Intended for AR-15 platform barrels.
- Marked as Made in the U.S.A. in supplied manufacturer text.
Its compact footprint and robust 4140 construction make the TROY .750 Low-Profile Gas Block a practical choice for builders and technicians installing or upgrading gas systems where handguard clearance is required. The simple two-set-screw attachment and proven materials provide a dependable foundation for a wide range of AR-15 builds and service applications.





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