Robust, Clear, and Precise. 

Achieve the most natural sight picture possible, which provides a relaxed and natural aim, with this aperture's open sight tunnel. This also allows you to center your focus and desired aiming position throughout your shot execution. Constructed of solid brass and available in two sizes (small and large), this aperture is perfect for both indoor and outdoor shooting applications. This aperture is compatible with any target sight that accepts a 8/32 threaded rod. 
 

Specifications: 

• 8/32 Threaded Rod: Yes
• Dexterity: RH and LH
• ID: Small - 3/8", Large - ½"
• Color: Brass