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Questions & Answers
How do you change out the battery? Expert Answer

The Nikko Stirling Diamond 4-16x50mm Rifle Scope houses a CR2032 battery in the illumination dial/turret. Simply remove the cap of the turret to access the battery.

by Ethan, Gear Expert, June 21, 2023
Is this scope the one that has the red and green reticle? Expert Answer

Please email us at techsales@opticsplanet.com so we can further answer your question.

by Ben, Gear Expert, October 30, 2021
Customer Reviews
Helpful Positive Review
Awesome optic !!!!! by Ggg, February 21, 2019
I have had this optic for over two years and on 5 different guns (223, 260, 6.5, 6mm and ARs). It is very clear, I would say equal to a weaver 3-15 tactical. Very generous eye box, easy to use, good resolution. The turrets work well, I have shot from...
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31/33 found this helpful
Helpful Positive Review
scope 4-16×50 by mags, Verified Owner, March 26, 2025
Awesome clear glass . Will buy more of the brand.
1/1 found this helpful
Most Recent Reviews
Always confident with shopping from Optics Planet by Miki, Verified Owner, December 25, 2025
The price can’t be beat. I made error in my delivery address and their customer service was very responsive. I received my rifle scope earlier than expected.
Most Recent Reviews
It’s pretty decent by Bartcephus, Verified Owner, December 10, 2025
For the money it’s pretty decent scope. Is it the best optic I own or have used absolutely not but it works.
Most Recent Reviews
Nikko Sterling scope by Tommy, Verified Owner, October 25, 2025
I got to shoot my rifle with scope on it and I love it. I've not hunted in 20 yrs. But I may have to start back. Thanks,and must add,great service,fast shipping. Will buy again
Most Recent Reviews
Powerful magnification,has it all. by Mdy, Verified Owner, July 29, 2025
Love the features of this scope. The diamond Nikko Stirling 4x16-50 is a great value.
Read All 6 Reviews

Product Temporarily Unavailable

Nikko Stirling Diamond 4-16x50mm, 30mm Tube, Rifle Scope is currently unavailable. We are working with our suppliers to secure additional supply as quickly as possible. If you are looking for a comparable replacement you can receive sooner, please consider the suggestions from our product experts belowor explore other items in the Rifle Scopes & Accessories, Rifle Scopes.

Product Info for Nikko Stirling Diamond 4-16x50mm, 30mm Tube, Rifle Scope

The Diamond LR (Long Range), available in both a 4-16x50, 6-24x50 and 10-40x56 variations. Using premium grade lenses featuring the latestimage

Features of Nikko Stirling Diamond 4-16x50mm, 30mm Tube, Rifle Scope

  • 30mm aircraft-grade aluminium, one-piece main tube
  • Glass-etched HOLDFAST reticle
  • Fully multi-coated lens
  • Microlux ETE GEN III glass coatings
  • Zero-stop turrets
  • 1/4 MOA turret adjustments
  • 4'' of eye relief
  • Side Parallax Adjustable from 10 Yards to ?
  • Dual-color red/green illumination settings
  • Supplied with 2 ballistic drop turrets
  • Nikko Stirlings RTZ (Return to Zero)
  • Optional side-wheel available

Package Contents:

  • Nikko Stirling Diamond 4-16x50mm, 30mm Tube, Rifle Scope
  • Lens Cover
  • Lens Cloth
  • Manual

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Nikko Stirling Diamond 4-16x50mm, 30mm Tube, Rifle Scope Unavailable & Discontinued Models

List of Unorderable Models

  • Nikko Stirling Diamond 4-16x50mm, 30mm Tube, Rifle Scope, Illuminated Hold Fast Reticle w/Sunshade, Matte Black, NDSI41650LRHF , MPN: NDSI41650LRHF , UPC: 9420001435310 , Code: 1YQ-RS-NDR41650-NDSI41650LRHF
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