Precihole Sports Precision Aperture Sight Set Pro – 20 Clicks

A precision mechanical sighting system for air rifle shooters who want a clear, repeatable sight picture without magnification.

The Precihole Sports Precision Aperture Sight Set Pro combines a fine-adjustment 20-click rear aperture sight with a front aperture sight for target and precision recreational shooting. Unlike a conventional open rear notch, the aperture system allows the shooter to look naturally through the rear peep while concentrating on alignment of the front sight and target.

Its compact, zero-backlash construction and fine adjustment make it suitable for both sporter and match-style air rifles. Precihole manufactures the sight from rust-resistant alloy and provides compatibility with different dovetail systems. 

Key Specifications

• Brand: Precihole Sports
• Product: Precision Aperture Sight Set Pro
• Adjustment: 20 Clicks
• Sight Type: Rear Aperture / Peep + Front Aperture
• Magnification: None / 1×
• Rear Sight Construction: Zero Backlash
• Material: Rust-Resistant Alloy
• Adjustment per Click: 0.65 mm at 10 m / 3.25 mm at 50 m
• Adjustment Reference: Approximately 7.5 clicks per scoring ring at 10 m
• Front Element Compatibility: 3.6 / 3.8 / 4.0 / 4.2 mm

Dovetail Compatibility: Designed to accommodate multiple dovetail standards including Feinwerkbau, Anschütz and Walther systems 

ONE77 Sight Fit Guide

Recommended For: Target-oriented air rifles, recreational precision shooting and shooters wanting to move beyond conventional open sights without using a telescopic scope

Best Use: 10 m target shooting, precision aiming, zeroing practice, grouping and sight-alignment training

Shooting Position: Excellent for standing/offhand shooting and equally useful for supported precision practice

Magnification: Fixed 1× / no magnification — the shooter retains a natural field of view without the movement amplification associated with high-magnification scopes

Parallax: No telescopic-scope parallax adjustment is required

Recoil Consideration: A mechanical aperture sight avoids the lenses, erector assembly and reticle system found inside a telescopic scope. This makes it an attractive sighting option where simplicity and mechanical repeatability are priorities.

ONE77 Note: An aperture sight should not be viewed as a lesser alternative to a scope. For target shooting at appropriate distances, its simple sight picture, low weight and fine mechanical adjustment can make it an excellent choice—particularly for standing shooting and shooters developing consistent position, sight alignment and trigger technique.

Adjustment Guide

Each adjustment click corresponds to approximately:

10 m: 0.65 mm

50 m: 3.25 mm

Precihole specifies approximately 7.5 clicks per scoring ring at 10 m, giving the Pro model fine adjustment for deliberate target shooting. 

Front Sight Compatibility

The front sight can accept different aperture element diameters, including:

3.6 mm / 3.8 mm / 4.0 mm / 4.2 mm

This allows the sight picture to be adapted to the shooter's preference and target presentation. 

Air Rifle Compatibility

Precihole specifically states that an additional Front Peep Sight Adaptor is required when using the aperture sight with SX, NX or VX-series air rifles. The adaptor is therefore a separate compatibility component and should not be implied to be included with the sight set unless it is physically included in ONE77's package. 

There is one useful exception worth capturing in ONE77 Match: Precihole documentation says the sight is directly applicable to certain NX100 Club Elite Plus rifles beginning with AG-series serial numbers and beyond. 

What's Included

Precihole Sports Precision Aperture Sight Set Pro – 20 Clicks

Rear aperture sight and front aperture sight as supplied in the manufacturer's package.

Front Peep Sight Adaptor is not included unless specifically stated with the product.

Please Note

Compatibility depends on the air rifle's sight mounting arrangement and dovetail configuration.

Precihole SX, NX and VX rifles may require the separately available Front Peep Sight Adaptor to mount the front aperture sight. Check the individual rifle before ordering. 

Different front aperture elements can change the apparent sight picture but do not provide optical magnification.