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Williams Diopter Sight

Only $39.89
$39.99
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  • Code: AGD-A2003 $39.89
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Home in on your targets by replacing your air rifle's rear sight with this one from Williams.
  • Williams peep sight (5D-AG, part No. 70809)
  • Fits 11mm dovetails
  • Windage and elevation adjustments
  • Useful for airguns and rimfires with a high line of sight
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Specs
  • ManufacturerAir Venturi
  • Condition New
  • Accessories Type Lasers, Flashlights & Iron Sights
  • Warranty 1-year limited warranty
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Reviews
Average Customer Review
3.5
3.54 Reviews
5
25% (1)
4
25% (1)
3
25% (1)
2
25% (1)
1
0% (0)
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2.0
By MichaelUSAJune 20, 2026 Verified Purchase

This Williams Diopter Sight is an "ok" entry-level option, but for just a few dollars more, there are higher-quality Williams sights available that offer better performance. If you are serious about precision, it is worth spending a little extra to upgrade to their more advanced models.

Pros
I love all the Williams products that I have, except for this specific diopter sight, which fell a bit short of my expectations. While I usually rely on the brand for high-quality, precision components, this particular unit proved to be frustrating during the usage phases. Key observations regarding this Williams Diopter Sight: Pros: * Solid, durable build quality that matches the standard Williams aesthetic. * Maintains the classic look that many enthusiasts appreciate on traditional air gun platforms. * Reliable mounting system that stays secure once properly seated.

Cons
Cons: The windage adjustment is non-existent on this sight. Additionally, the unit I received, labeled as the 5D-AG, is slightly different than any of the models displayed on the official Williams website or this site, which leads me to suspect I may have received a faulty or misidentified unit or an earlier model. As other reviewers have noted, the elevation is extremely difficult to adjust, making the sight tedious to dial in. Overall, the design feels like a significant missed opportunity, and it has since been relegated to my parts bin to gather dust.

5.0
By FrankUSAOctober 30, 2018

This little sight is very well made from anodized aluminum. The scales and markings are clear and well printed. The movement is good enough and the aperture is a good medium. Unless you are going to the Olympics this sight will probably meet your needs and be better than you are!

3.0
By JohnUSAJune 6, 2017

Good reliable sight if you use the same pellet weight/style all the time and are comfortable with getting it set at a specific range and then holding on the target at varying ranges to hit it dead center. Really hard to change windage and elevation accurately. No precise clicks for either settings.

Pros
Is well made great design.

Cons
It has no precise clicks for either settings. If you have big hands your going to have trouble trying to adjust this sight.

4.0
By JimJuly 27, 2016

Good reliable sight if you use the same pellet weight/style all the time and are comfortable with getting it set at a specific range and then holding over/under a target at varying ranges to hit it dead center. Hard to change windage and elevation accurately. No precise clicks for either setting.

Pros
Very sturdy and reliable

Cons
Changing windage and elevation settings is a real trial and error chore. I have Williams Foolproofs on several of my hunting rifles. Really like them. But, don't like this particular model of sight on an air gun!

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Q&A

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will this site fit on a Crossman 1377, and a Beeman model 2027. pistols

asked Warren from USA

will this site fit on a Crossman 1377 classic pellet pistol

asked Warren from USA

will this sight fit my beeman model 2027 pellet pistol??

asked Warren from USA

Will this fit and have a proper line of sight to be mounted on the rear dovetail on the Crossman optimums? Additionally, are there usually any accuracy issues with mounting rear sights on the receiver instead of the barrel?

asked Quinn from USA

Bonjour, Ce viseur peut-il s'adapter au pistolet Crosman 2240XL?. Dans l'attente de votre retour , cordialement.

asked Guy from France

Od Williams Diopter Sight good for a HW30S and HW35??

asked Bojan from Croatia

Will this fit a diana chaser air pistol

asked Edward from USA

No. Elevation will be too high. Same problem when using the Chaser Rifle kit (carbine)...too high.

James from USA

can this fit a Gamo Bull Extreme , it comes with scope and is not worth a dime

asked Jerry from USA

Will this peep sight fit my old skool 347 Benjamin pumper?

asked Corey from USA

No. The 347 does not have a scope rail.

Mark from USA

Will this sight fit on the Benjamin variable pump .177 rifle?

asked Corey from USA

Yes

Mark from USA

How large is the aperture opening? I want something more precise than a large “Ghost Ring”.

asked Chris

does this sight work well on rws 34 air rifles?

asked gabgan

will this fit a Sheridan 20mm rifle?

asked tom feik
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