Sightmark Triple Duty Matte Black 10-40 x 56-millimeter Riflescope

by Sightmark
Out of Stock

Plus, Free Shipping & 5% Rewards back for only $19.95/yr Learn More




5% Rewards

On Every Order

Free Shipping

On Every Order

Exclusive Rewards

Earn Big - Up to 40% back!

Free Returns

On Select Clothing & Shoes

Exclusive Offers

Straight to Your Email Inbox

5% Dining Rewards

Get Paid to Go Out Tonight

ITEM# 20507406
    Notify me when it is back in stock!

    Enter your email address, we will notify you if it comes back in stock.

Love this item?

Save it to a list so you can find it anytime!


something went wrong.

Please refresh the page and try again.


ITEM#: 20507406

Spot that game in the distance easily and clearly with this Sightmark Triple Duty riflescope. This riflescope has a red/green mil-dot reticle for range estimation in low lighting.

  • Precision Accuracy
  • Adjustment Lock
  • Mil-dot Reticle
  • Wide Field of View
  • Precision Multi-coated Optics
  • Internal Lit Reticle
  • 1/8' Locking MOA
  • Easy Focusing Knob
  • Front Diopter Adjustment
  • Lightweight
  • Waterproof and Shockproof
  • Set of 30mm Rings
  • Lens Diameter: 56mm
  • Magnification (x): 10-40
  • Eyepiece Diameter: 39mm
  • Field of View: (ft 100yds) 12.6-3.22 (m 100yds) 3.84-0.98
  • Exit Pupil: 5.6mm - 1.4mm
  • Eye Relief: 97.5mm - 85mm
  • Coating: Wide Band AR Green
  • Parallax setting: 10 yards to infinity
  • Waterproof and Nitrogen Filled: Yes
  • Reticle: Mil-Dot
  • Illuminated: Yes
  • One Piece Tube: 30mm
  • Diopter (+/-): 2 to -3
  • Windage (MOA): 15
  • Elevation (MOA): 15
  • One Click in/100yds: 0.125
  • Length: 16.7'
  • Fogproof and Shockproof: Yes
  • Windage/Elevation Lock: Yes
  • Focal Plane: 2nd
  • Magnification (Min.): 10
  • Magnification (Max): 40
  • Objective (mm): 52+
  • Finish: Matte Black
  • Tube Diameter: 30mm
  • Objective Lens: 50 - 59mm
  • Type: Rifle Scopes
  • Magnification: Under 10X


Type Rifle Scopes
Color Black
Lens Color Clear
Magnification Under 10X
Objective Lens 50 - 59mm
Reticle MOA
Dimensions 21.5 inches x 4.875 inches x 3.875 inches
Model Number 167021
Country of Origin Imported

Questions & Answers

Yay! Be the first to ask a question about this product.

Shipping & Returns

Contact Information
Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
Standard shipping details
Expedited shipping details

Standard Return Policy:

Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.