UTG Model 4 Flip-up Front Sight for Reg Height Gas Block

Quick Detachable Front Sight – Flip-Up A2 Post for Picatinny/Weaver Rails. Upgrade your rifle setup with this Quick Detachable Front Sight, engineered for durability, precision, and versatility. Featuring an adjustable A2 square post assembly, it is designed to mount securely on all Picatinny and Weaver-style rails—perfect for AR-style platforms and tactical builds.

The flip-up Posi-lock design with a locking retention thumb nut ensures a solid hold and consistent zero, even in the harshest conditions. Built for reliability in the field, this sight is ideal for mounting on gas blocks with its optimized profile.

Key Features:

• Compatible with all Picatinny/Weaver-style rails
• Flip-up design with robust Posi-lock mechanism
• Quick-detach thumb nut for easy removal and secure locking
• Adjustable A2 front sight post for precision elevation tuning
• Designed for gas block installation
• Built to retain zero under extreme conditions

Ideal for: Tactical shooters, AR-platform rifles, and anyone looking for a rugged, backup or primary iron sight solution.

WARNING This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. You must be 18+ years old to shop and or purchase on our website and 21+ to purchase Ammunition/Firearms. Check local laws before ordering as you certify you are of legal age and satisfy all federal, state, and local legal/regulatory requirements. There are NO returns or exchanges on armor, firearms, ammunition, PPE equipment. Ammo ships UPS ground to the lower 48 states.
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