Description
The Luth-AR Lo-Profile Gas Block is a rugged, low-profile gas block designed for .936″ diameter barrels on .223/5.56 AR-15 and M16 platforms. Machined from high-quality steel with a durable black manganese phosphate finish, this gas block provides reliable gas regulation while maintaining a sleek, minimalist profile that fits under most free-float handguards without adding unnecessary bulk or weight.
It includes two 8-32 set screws and a roll pin for secure barrel mounting and gas tube alignment, making installation straightforward for builders and gunsmiths. A perfect choice for standard or custom AR-15 builds where a clean, low-profile setup is desired.
Features
- Low-profile design fits under free-float handguards
- Precision machined for .936″ barrel diameter
- Machined from high-quality steel with Black manganese phosphate finish for corrosion resistance and durability
- Includes two 8-32 set screws (requires 3/32″ Allen wrench) and 1 roll pin
- Center to center of holes: .340″
- Overall Length: 1.050″ – Overall Height: 1.4925″ – Weight: 1.6 oz
- Easy to install with standard tools
- High-quality, double-inspected components
- Proudly made in the USA by Luth-AR









