Steiner GS3 4-20x50 Rifle Scope - Plex S1 Reticle

Steiner GS3 4-20x50 Rifle Scope - Plex S1 Reticle is rated 4.6 out of 5 by 10.
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Steiner GS3 4-20x50 Rifle Scope - Plex S1 Reticle
Steiner GS3 4-20x50 Rifle Scope - Plex S1 Reticle
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by Dec 24. details.

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Product Information:

Don’t let game escape your sight. The GS3 Scope features a CAT™ lens coating that heightens contrast, making it easier to see game in any environment. A 5x zoom range increases your accuracy in open areas by providing a sharp resolution at long distances. A Plex S1 reticle helps determine holdover for distance and compensates for crosswinds. Solid aluminum construction makes the Steiner® GS3 4-20x50 Scope durable and waterproof.

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  • Solid and seamless aluminum tube for greater durability
  • 5x zoom range offers sharp resolution at long distance for greater accuracy in open areas
  • CAT™ (Color Adjusted Transmission) amplifies contrast in the peak human vision sensitivity range, making it easier to spot game
  • Steiner Plex S1 reticle helps determine holdover for distance, while cascading dots/line compensate for wind
  • A 5.4” mounting length is compatible with shorter firearms
  • Waterproof and fogproof
  • Nitrogen filled
  • Includes manufacturer’s Heritage™ Warranty
  • Model: 5008


  • Length: 14.9”
  • Tube Diameter: 30mm
  • Magnification: 4-20x
  • Objective Diameter: 50mm
  • Field of View at 100 yds.: 25.8’ / 5.5’
  • Exit Pupil: 11-2.5mm
  • Eye Relief: 3.5-4.25mm
  • Diopter Adjustment Range: +2 to -3
  • Parallax/Focus: Fixed
  • Parallax/Focus Range: Side Focus
  • Illumination Control: 1/4 MOA
  • Windage Range at 100m: 40 MOA
  • Elevation Range at 100m: 64 MOA
  • Waterproof: Yes
  • Weight: 22 oz.
  • Brand: Steiner
  • Country of Origin: United States of America


Rated 5 out of 5 by from Great features and build quality I recently purchased the Steiner GS3 4-20x50 to replace an older model mid tier 3x9 gold ring that is more than 30 years old . The old scope still works fine but I am hoping the Steiner will give me some longer range options for my Remington 700 - 7mm mag. I really like the optics clarity, especially at lower light levels but have not had a chance to actually hunt with it yet to test out the "game sensing" feature. Shooting with it at the range at both short and long distances, further convinced me this was a good decision. The Steiner is built like a tank and comes with one of the best warranties in the industry so I hope to enjoy it for many years to come!
Date published: 2016-10-06
Rated 5 out of 5 by from Best for the money! Just bought this scope at Easthill Outdoors in Ont. Canada, my favourite shop. Put it on a Sako Finnlight 270 WSM, with Optilock bases and extra low rings and took it to the range. It's mid January at -20C with a good wind and shot 5 quarter sized groups at 200yds. I can't wait to try it at longer distances. Great package, awesome products!
Date published: 2015-01-15
Rated 5 out of 5 by from Excellent optics This is the second scope of this type that I have purchased. I bought one last year to go on my 7mm Rem mag and had great results so I purchased one to go on my new 6.5 Creedmoor. I have a total of 8 Steiner scopes. I am completely satisfied with its clear glass, light gathering quality and overall performance. You cannot go wrong with Steiner optics.
Date published: 2017-02-08
Rated 5 out of 5 by from I love this scope. I brought a GS3 4-20x50mm and put it on a .270 win 85 Sako hunter stainless with walnut stock, low mount opti lock mounts and I’m absolutely stoked with this set up! It shoots unbelievable and the scope is really clear in low light. I picked the Steiner over the Swarovski because of the 30mm tube, and I’m very happy with my choice, not only is the price better, but the Steiner lets in more light and feels so much more rugged, the swaro feels flimsy and cheap. A friend has a Hawke scope, zoomed into 24 couldn’t see his groupings at 200m, he had a look through my Steiner and the groupings were not only clear as day, but seemed closer even though his Hawke was supposed to be zoomed in closer! Very happy! Only thing i need is a recommendation for a good scope cover for backpack hunting. Cheers! J
Date published: 2018-01-06
Rated 4 out of 5 by from Features are great ergonomically, although magnification knob is very stiff and pulls you off target. Could also use a longer eye relief. It has served me well in both Africa and here in North America. The 50mm allows for quick target acquisition. Optics are crystal clear. l
Date published: 2014-08-05
Rated 4 out of 5 by from Quality Product Purchased a few weeks ago for a new rifle build I am working on. The clarity is great compared to most everything in it's price range. I am mounting on a 1 pc rail so the lack of mounting surface was no issue. It tracks well and runs a box test like a dream assuming you take the time to do a proper install. Clicks are crisp to the feel and light but audible to the ear. It's heavy but not excessive and for most of my purposes a non issue.
Date published: 2015-06-03
Rated 5 out of 5 by from GS-3 4-20 x 50 Great scope & great price. Everything as advertised!! High quality optics & better than advertised!! I own (3) Steiner Predator scopes & the GS is just a step above!!
Date published: 2016-12-02
Rated 4 out of 5 by from Excellent value I purchased this for a Remington 700 in 7mm mag. I choose the S-7 retical because it is designed for 22-250 which has very similar ballistics up to 700 yards. The scope was in perfect shape at delivery. The eyebox is very generous at all but the highest magnifications, and even then maybe more forgiving than some of my other brands. Very good clarity and focus, very good brightness and only average low light visibility. I wish I could have afforded the night hunter series. The focus ring is rubber wrapped and a little too stiff. My rubber ring will bunch up out of position while adjusting in one direction. I may try adding some adhesive under the loose spot. I talked with customer service with a few questions before I purchased and they were great. They gave me ring and mount options and part numbers and I took there advice and everything fit fine with this large scope. I asked about the glass and they did state that it was apochromatic only, not achromatic. I still don't know the exact origin of the lenses but I would like to. This scope has the thirty mm tube and a large ocular end so it does have a very easy, relaxed view, and despite the apochromatic glass I don't see much chromatic aberration at all. The warranty is second to none in this industry.
Date published: 2015-04-19
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