US Optics Swivel Bubble Level – Precision Scope Leveling Tool

The US Optics Swivel Bubble Level mounts directly to your riflescope to provide a fast visual reference for maintaining a level shooting position.

• Type: Swivel bubble level
• Compatible With: Most riflescopes with standard tube diameters
• Mounting: Direct scope tube mount with swivel adjustment
• Construction: Durable housing with precision bubble vial
• Use: Eliminates cant error for improved long-range accuracy