AR-15 .750 Quad-Rail Gas Block Picatinny Mount – Moriarti Arms

Parts

AR-15/AR-10 .750 Four-Rail Gas Block – Picatinny Low Profile | Moriarti

Upgrade your AR-15 or AR-10 platform with a .750 Four-Rail Gas Block, engineered for performance and modularity. This low-profile gas block is crafted from 6061-T6 high-strength aluminum and finished in hard anodized matte black for enhanced corrosion resistance and durability.

Designed to fit standard .750" diameter barrels and standard gas tubes, this gas block replaces the traditional A2 front sight and adds modular capability with four precision-machined Picatinny rails, perfect for mounting optics, laser devices, or backup iron sights.

The tight-tolerance machining ensures a secure fit and optimal gas system performance in both rifle and pistol caliber carbines.

Key Features:

• Compatibility: Fits all AR-15/AR-10 platforms with .750" barrel journal

• Material: Precision-machined 6061-T6 aluminum

• Rail System: 4-slot Picatinny / Weaver / Universal top-mounting surface

• Finish: Hard black anodized, matte non-reflective

• Design: Replaces standard A2 front sight, low profile for sleek upper profile

• Includes: Roll pin for easy installation

• Use Case: Ideal for optics mounting, accessories, and sight upgrades