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12 Best Crossbow Scopes Under 100 - (2026 Top Picks)

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Check out our top list to find the best crossbow scopes under 100 bucks based on performance, durability and price.

A crossbow is a weapon that has a horizontal bow mounted on a stick, called a stock. It shoots arrows and is used by hunters and sportsmen. A scope is a device that helps the user to aim the crossbow more accurately.

There are many different types of crossbow scopes on the market, and it can be difficult to choose the right one. In this article, we will provide an overview of some of the best crossbow scopes under 100 dollars, as well as provide some buying tips and suggestions for choosing the right scope.

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  • ARS Mark

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    Bruin
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    Killer Instinct
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    Barska
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    SAS
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  • Brand
    Hawke
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  • Brand
    TRUGLO
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    CVLIFE
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  • Brand
    Hammers
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  • Brand
    Killer Instinct
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  • ARS Mark

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  • Brand
    UTG
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    7.8
  • Brand
    BARNETT
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    9.0
  • Brand
    BARNETT

Last update on 2026-09-18 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Will an affordable crossbow scope hold zero against harsh recoil?

Yes, provided the scope features shock-proof housing designed for heavy forward and reverse vibration. Crossbows produce a harsh double recoil impulse that can quickly loosen fragile internal reticles found in standard rifle optics or centerfire rifle scopes. Models like the UTG 4X32 address this shock with a Smart Spherical Structure built on a True Strength platform for recoil resistance, while the Barnett 4X32 is factory-rated as shock-proof. Always confirm that an optic specifically lists recoil resistance or shock-proof construction before mounting it on a high-energy crossbow.

How do you match the reticle lines to your arrow speed and bolt drop?

You calibrate aim points using an adjustable speed ring or by confirming your trajectory drops across a fixed multi-line reticle. Variable optics like the Killer Instinct Lumix Speedring provide an adjustable ring engineered for varying bolt speeds and heavier Hypr KE bolts, offering calibrated marks out to 100 yards with its KillZone XB100 reticle. Fixed options like the Hammers 4X32 feature six cross lines for multiple reference points downrange, while the TRUGLO 4x32 utilizes a trajectory-compensating rangefinder reticle. With fixed-magnification scopes, confirm your exact point of impact at multiple distances so you know which horizontal cross line corresponds to your specific bolt weight.

Will the included rings fit your crossbow mounting rail?

It depends on the specific rail standard built into your crossbow receiver. Crossbows typically feature either a standard 7/8-inch Weaver base or a 0.875-inch dovetail rail, and packaged mounts do not fit every platform interchangeably. For example, the SAS 4x32 and Hammers 4X32 package 7/8-inch Weaver rings, while the Barnett 17060 includes 0.875-inch dovetail mounting rings. The UTG 4X32 supplies quick-detach QD rings for rapid mounting. Check your crossbow rail dimensions before choosing an optic to verify ring compatibility or decide if an adapter base is necessary.

Does reticle illumination make a practical difference in low hunting light?

Yes, illuminated crosshairs provide vital target contrast against dark timber during early dawn and late dusk. Non-illuminated black reticles easily disappear against shadowed backgrounds, but optics like the Killer Instinct Lumix 4x32 IR-E feature glass-etched reticles with rheostat brightness illumination in red or blue. The Hammers 4X32 also provides two-color illumination, while the UTG 4X32 features a Pro 5-Step RGB reticle. Paired with multicoated optics or fully coated lenses like those on the TRUGLO 4x32, reticle lighting clarifies aiming points without washing out low-light sight pictures.

Should you choose a red dot sight or a magnified crossbow scope?

Choose a red dot for rapid close-range shots with both eyes open, and choose a magnified scope for calibrated distance aiming. Non-magnified options like the BARNETT 17054 red dot sight simplify shooting by allowing you to keep both eyes open for faster tracking, while the BARSKA 1x30mm combines 1x magnification with multi-coated lenses. Magnified models such as a 4x32 or 1.5-5x32 provide multiple drop reticle indicators, fast focus eyepieces, and higher target detail for precision shots further down the range.

What main tube diameter and housing materials provide the best durability?

Aluminum 1-inch and 30mm mono tubes offer the structural integrity needed to withstand repeated shooting shock. Taking structural design cues from compact tactical optics like ACOG scopes, models like the Killer Instinct Lumix Speedring use 6061-T6 aluminum with Type-III hard coat anodizing for enhanced frame strength. Other models, such as the Bruin Accusite SRX, feature a 30mm tube, while the SAS, Hammers, and Killer Instinct Lumix 4x32 use a 1-inch mono tube. Always verify whether your scope body uses a 1-inch or 30mm tube so you match your mounting rings correctly.

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Donald Whiteley
WRITTEN BY
Donald Whiteley
I'm a huge sports and hunting fan, and I love sharing my knowledge and experiences with others. I'm an editor for bestairriflescopes.com, Sports and Hunting Reviews, to do just that - share my love of sports and hunting with the world.