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Bushnell® AR Optics® 4.5-18x40mm Riflescope Windhold IL SFP Reticle 1″ Maintube


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SKU: BUSAR741840EI Categories: , ,

This all-new Second Focal Plane (SFP) 4.5-18×40 AR Optics riflescope features our new Illuminated Windhold reticle and includes 5 turrets for popular calibers. The foundation for this scope is an aircraft aluminum 1″ tube with large exposed MIL turrets. You’ll love how fast magnification changes are with the included short and long Throw Levers. In addition to a 6-MIL turret, included are 4 additional BDC caliber-specific elevation turrets for quick dialing on rifles chambered in 6.5 Creedmoor, 224 Valkyrie, 308 Winchester, and 223 Remington.

Comes with our full lifetime Ironclad Warranty – Buy with confidence.


  • Fast Focus eye piece
  • Made in South Korea
  • Clarity – Fully-Multi Coated Optics deliver crisp images in every lighting condition
    Fully Multi Coated – Multiple layers of anti-reflective coating on all air-to-glass surfaces deliver bright, high-contrast images
  • SPUDZ® Cleaning Cloth Included
  • Loaded with Features
    • This scope is loaded with features, including short and long Throwdown levers for quick magnification changes, exposed MIL turrets, adjustable parallax, and is constructed of a single-piece aluminum tube.
      • Comes with 5 elevation turrets: 6-MIL with 1/10th MIL graduations, 6.5 CM BDC, 224 Valkyrie BDC, 308 Win. BDC, 223 Rem. BDC
      • Exposed Turrets
        • The scopes large, exposed MIL turrets are fast and easy to dial windage and elevation.
  • Etched Glass, Illuminated Windhold Reticle
    • The new etched glass, illuminated Windhold reticle is tough, giving you confidence in every shot. Never lose confidence on the range.
  • 4.5-18X40 MULTI-TURRET: All New. All Powerful
    • This All New multi-turret scope features BDC turrets for popular chamberings that work accurately at any magnification setting. Plus, the Throw Down Power Change Lever makes magnification changes nearly instant, saving you valuable time in the biggest moments.
  • Bushnell Riflescopes: 65-plus years of innovation. Industry Leading Performance
    • There’s a lot of technology that goes into our world-class optics, and we’re going to help you make an informed decision. Get ready to learn what makes a Bushnell.
  • Bushnell. Never Miss
    • From finding the trail less traveled to perfecting your shot — you belong outdoors. At Bushnell, we develop optics gear to empower you to get out and experience your passion, because we love the outdoors as much as you.
  • Bushnell Ironclad Warranty
    • The Ironclad Warranty is a full lifetime warranty that covers the lifetime of any product made on or after April 2017.
    • The Ironclad Warranty is a full lifetime warranty that covers the defined lifetime of a product. For AR Optics Riflescopes the lifetime is defined as 30 years. If this product isn’t working properly due to a covered defect, we will, at our option, either repair or replace the product and ship it back to you at no charge. This warranty is fully transferable and does not require a receipt, warranty card, or product registration.
  • The Windhold Illuminated Reticle
    • The WindHold reticle is a versatile MRAD based reticle.  When paired with a second focal plane (SFP) riflescope, it is calibrated at maximum magnification.
    • This reticle is commonly paired with Bushnell riflescopes that have BDC elevation turrets.


Image Clarity:

Reticle Type Second Focal Plane Reticle Windhold, MIL Based
Illuminated Yes Illumination Settings 11
Light Management System Standard Glass Type Standard
Lens Coating Fully-Multi Coated, Ultra Wide Band Eye Relief (in) 3.6
Diopter Type Fast Focus Parallax Adjustment Side Focus
Min Parallax Free Distance (yd) 10

Image Adjustment:

Min Magnification 4.5x Max Magnification 18x
Objective Lens Diameter (mm) 40 Low Mag Field of View (ft @ 100 yds) 22
High Mag Field of View (ft @ 100 yds) 5.5 Elevation Turret Style Exposed
Elevation Adjustment Range (MOA; MIL) 50; ~14.6 Elevation Adjustment Value per Click (MIL) 0.1
Elevation Clicks per Rotation 60 Windage Turret Style Exposed
Windage Adjustment Range (MOA; MIL) 50; ~14.6 Windage Adjustment Value per Click (MIL) 0.1
Windage Clicks per Rotation 60


Locking Dial No Zero Stop No
Indexable Turret Yes Indexing Type Set Screw
External Rotation Indicator Yes Illumination Control No
Locking Illumination No Auto-Shutoff (hrs) No
Throw Lever Integrated Nightvision Compatible Illumination No
Motion Sensor Capabilities No Electronic Reticle Leveler No
Sunshade/Killflash Compatible No


Form Factor Riflescope Mount Type (2) 1 Inch Rings (Sold Seperately)
Mount N/A Finish Black
Water Resistance IPX7 Fogproof Nitrogen Purged
Shockproof No Battery Type CR2032
Weight (oz) 19.4 Overall Length (in; cm) ~12.2; 31
Front Mounting Length (in; cm) ~2; 5.2 Rear Mounting Length (in; cm) ~1.8; 4.6
Total Mount Length (in; cm) ~5, 13 Objective Housing Length (in; cm) ~3.7; 9.2
Objective Housing Width (in; mm) ~1.9; 4.8 Objective Housing Height (in; mm) ~1.9; 4.8
Eyepiece Housing Length (in; cm) ~3.5; 8.3 Eyepiece Housing Width (in; cm) ~1.7; 4.2
Eyepiece Housing Height (in; cm) ~1.7; 4.2 Magnification Ring Outside Diameter (in; cm) ~2; 5
Turret Saddle Depth (in; cm) ~0.16; 0.3

Additional Information:

Manufacturer SKU AR741840EI


Manufacturers, importers, suppliers, and distributors may make changes to their products without fanfare. Such changes can lead to discrepancies between the advertised product and the actual product in inventory. While International Shooting Supplies Ltd. endeavors to correctly describe the actual product in inventory, we will not be responsible for unintentional inaccuracies in text and images of the advertised product.


Weight 1.1 kg


Tube Diameter


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