We have everything to outfit your passion.

Nikon PROSTAFF 5 4.5-18x40mm Side Focus BDC Rifle Scope

Item # WX2-665657

Mfg. Number: 16367

UPC: 018208163670

In Stock
Buyer's Club Pricing Applied at Checkout!
Non-Member $459.99
Additional Shipping Fees Apply

Additional Shipping fees/restrictions apply >

  • This item cannot ship to Canada.
  • This item cannot ship internationally.
Additional Shipping Fees Apply

Additional Shipping fees/restrictions apply >

  • This item cannot ship to Canada.
  • This item cannot ship internationally.
  • Buyer's Club Pricing Applied at Checkout!
    Non-Member $459.99
  • -
    In Stock
satisfaction guarantee link

satisfaction guarantee


Order with complete confidence! Your satisfaction is guaranteed, period! We stand behind every item we sell. If you're not happy within 90 days of shipment, just return the item with your invoice and we'll promptly refund your merchandise total. See More Details

lowest price guarantee link.

lowest price guarantee


For everything to outfit your passion...at the Lowest Prices, Guaranteed! If you find a lower advertised price for an item we sell, let us know at the time of purchase or within 10 days of placing your order and we will refund you the difference. See More Details

Details & Specs

Painstakingly precise. Remarkably consistent. And it's all so easy. That's the beauty of the Nikon® PROSTAFF 5 4.5-18x40mm SF FFP Rifle Scope with BDC Reticle and Distance Lock. Super-precise 1/8" click-stop adjustments allow for the ultimate in razor-sharp accuracy.

Plus, First Focal Plane optics and Distance Lock Technology ensure consistent reticle proportions and placement in relation to your target at any magnification. That means you can easily adjust to the situation when seconds count. Plus, Prostaff 5 Scopes are optimized for Nikon Spot OnTM Ballistic Match Technology, which makes fine-tuning your aiming points with different ammo and loads easy and precise.

Get locked in for success... at any magnification.

PROSTAFF 5 Rifle Scopes with Distance Lock utilize a First Focal Plane optical system designed to eliminate any point of impact change when changing magnifications. That means your points of aim on the BDC Distance Lock Reticle remain the same whether at low power, mid range or high power. When combined with Nikon's Spot On Ballistic Technology, Distance Lock allows you to use one set of aiming points for any long-range shot throughout the entire zoom range.

Spot On: Custom precision at your fingertips.

Nikon PROSTAFF 5 Rifle Scopes are optimized for use with Nikon Spot On Ballistic Match Technology website, which allows you to view and print ballistic charts for your specific scope, ammo and load. It's the easiest, most convenient system on the market for easily determining precise aiming points for your BDC reticle. It'll even show you holdover for every different magnification level. Plus, you can download the app for your phone, so you'll always have access to this powerful tool, even while in the field.

  • First Focal Plane optical system gives you a correct reticle regardless of distance and magnification
  • Fully multi-coated optics for maximum light transmission, even in low light
  • Spot On Ballistic Match Technology optimized to allow you to easily discover exact aiming points on the BDC reticle for your specific ammo and load
  • Spring-loaded instant zero-reset turrets with 1/8 MOA click-stop allows you to both feel and hear your adjustments
  • Smooth zoom control with magnification reference numbers viewable from the shooter's position allows for quick, precise adjustments while in the field
  • Quick focus eyepiece provides 4x zoom ratio and generous 4" eye relief
  • Large ocular lens delivers brighter, sharper sight picture
  • Easy to reach side focus parallax adjustment allows for fine-tuning from any shooting position
  • Nitrogen-filled and O-ring sealed for waterproof / fogproof performance in any conditions
  • Enhanced mount ring spacing allows for greater mounting versatility

Sight in on this great value and order today!

Key Specifications
  • Item Number: 665657
  • Magnification: 4.5-18x
  • Objective Lens Diameter: 40mm
  • Objective Outer Diameter: 50.3mm
  • Eyepiece Outer Diameter: 44mm
  • Reticle: BDC Distance Lock
  • Eye Relief: 4.0"
  • Exit Pupil: 2.2mm (@18x)
  • Field of View @ 100 yds.: 20.10' @ 4.5x; 5.0' @ 18x
  • Tube Size: 1"
  • Turret Style: Spring-loaded instant zero-reset
  • Adjustment Gradiation: 1/8"
  • Max. Internal Adjustment: 40 MOA
  • Parallax Setting: 50 yds. to infinity
  • Length: 13.6"
  • Weight: 16.8 ozs.
  • MFG Number: 16367
Frequently Asked Questions
Articles & Tips
Shop Additional Options Below
 Item NameRating Magnification/Objective Diameter (mm) Reticle Length (in.) Weight (oz.) Eye Relief (in.) FOV @ 100 yds. (ft.) Tube Diameter Price

Join our email list for the best deals!

Get advance notice of exclusive offers and items.
Modal Trigger Modal Trigger
Modal Trigger Modal Trigger Modal Trigger Modal Trigger Modal Trigger
Modal Trigger Modal Trigger Modal Trigger