Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Questions & Answers
What is the minimum distance the Adjustable Objective can be adjust to. Manufacturer Answer

If you are asking about the minimum field of view(ft. @ 100yds / m @ 100m): 21 / 7 @ 4x

by Barska, Manufacturer, June 8, 2022
Ok I have one of these scopes # 10042 4/16/50 on my t/c encore prohunter in 308,and it is great now will it hold up to my 7mm mag.encore barrel to???? Expert Answer

The scope is listed as being shockproof so it should handle the recoil of a 7mm Magnum. If you have any issues you can always reach out to them regarding a warranty claim as well.

by Armando R., Gear Expert, December 27, 2019
Customer Reviews
Helpful Negative Review
Not a good one.... by greg, August 17, 2014
This scope came on a rifle I recently ordered. For the small price difference between bare rifle and scope/bipod package, I figured what the heck. Probably should have put the difference towards a higher end scope. Just got back from attempting to...
Read More...
6/6 found this helpful
Most Recent Reviews
Great scope by Big D, Verified Owner, May 5, 2024
I have this on a PCP air rifle and the scope has run flawlessly for years now
Most Recent Reviews
Barska Scope 4-16x50 AO Varmint i by Bob, September 20, 2023
Bought the same scope 4 years ago and used it on my.223 Savage model 11 and it worked great but the new one I bought won’t focus properly and the reticle isn’t sharp no matter how I adjust it.Mounted it on my new Ruger Precision rifle in 17 HMR and c...
Read More...
Most Recent Reviews
Both work well still for me by Pete, June 25, 2019
I bought 2 of these scopes about 8 years ago to put on 2 new I just had bought,1 is a savage 25/06 and a 270.both have worked great,so I just bought me a new savage ba 10 stealth 6.5 creedmoor and took the scope off my 270 and put it on my creedmoor ...
Read More...
0/1 found this helpful
Most Recent Reviews
I am a highly qualified police sharpshooter but I can't get this scope to produce anything tighter than a 5 inch group at 100 yrd. Terrible. I suspect that the haphazard shot placement has more to do with a faulty unit than the model itself. Normally...
Read More...
1/4 found this helpful
Most Recent Reviews
Not worth it. by John, March 5, 2019
Will not hold zero, will not hold long range focus....used on .308 varmint rifle....will not have another Barska....not much else to say....................................................200 is too much to say about a faulty product................
Read All 6 Reviews

For Your Fall-Winter Holiday, We've Got You Covered! Great Deals on Barska Products

Blazin' Deal
Prices have been cut drastically on this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts, but you'll still get the best deal out there. This offer won't last long, so don't miss out!
Reticle: 30/30 Tube Diameter: 1 inReticle Focal Plane: Second Focal Plane (SFP) Illumination Color: None Finish: Matte Color: Black Weight: 21 ozAdjustment Click Value: 0.25 MOAAdjustment Type: MOA Parallax: Adjustable Illumination Type: Non-Illuminated Included Accessories: Lens Cloth , Scope Caps W/E Travel at 100 Yds: 55 MOA

Code: BK-RS-AC10042

MPN: AC10042

UPC: 790272976454

Blazin' Deal
List: $226.00Save 54%
$103.49

Buy Together and Save

Product Info for Barska 4-16x50 AO Varmint Rifle Scope w/ Adjustable Objective - AC10042 Rifle Scope

When precision is a critical factor, Barska 4-16x50 Varmint Rifle Scope w/ Adjustable Objective AC10042 supplies the advantage with long-range and deadly accurate targeting. The large objective lens of Barska 4-16x50 AO Varmint Rifle Scope increases light transmission. And with multi-coated optics, Barska 4-16x50mm Varmint Scope provide superior clarity. Like most of Barska Rifle Scopes, the 4-16 x 50mm Barska Varmint Rifle Scopes are waterproof, fogproof and shockproof. Engineered with a focusing objective for parallax correction and easy-grip high turrets, the 4-16 x 50 mm Barska Varmint Rifle Scopes are twice the precision for varmint hunting or long-range tactical shooting. All Rifle Scopes by Barska are covered by Barska Limited Lifetime Warranty.image

Specifications for Barska 4-16x50 Varmint Rifle Scopes AC 10042:

Description:   4-16x50 AO
Magnification:   4-16x
Objective Lens Dia.(mm):   50 mm
Reticle:   30/30
Field of View (ft @ 100yds / m @ 100m):   21 / 7 @ 4x

 6 / 2 @ 16x

Exit Pupil (mm):   12.5-3.1 mm
Eye Relief (inch):   3.5"
Click Value (inch):   1/4"
Tube Diameter:   1"
Finish:   Black Matte
Weight (oz):   21 oz (1.31 lb)
Length (inch):   14.57"

Features of Barska 4-16x50AO Varmint Rifle Scopes:

  • Waterproof, fogproof and shockproof
  • Multi-coated optics for clear images
  • 1 inch tube construction
  • Adjustable objective lens for parallax correction
  • 1/4 MOA click adjustments
  • Designed for long-range and precision shooting
  • Ideal for varmint hunting and target shooting

Package Contents:

  • Barska 4-16x50 AO Varmint Rifle Scope w/ Adjustable Objective - AC10042

In addition to Barska 4-16x50mm AO Varmint Rifle Scope w/ Adjustable Objective - AC10042, make sure to check other Barska Rifle Scopes and other Barska products offered in our store.

WARNING: California`s Proposition 65

Specifications for Barska 4-16x50 AO Varmint Rifle Scope w/ Adjustable Objective - AC10042 Rifle Scope:

Manufacturer: Barska
Objective Lens Diameter: 50 mm
Magnification: 4 - 16 x
Reticle: 30/30
Tube Diameter: 1 in
Reticle Focal Plane: Second Focal Plane (SFP)
Exit Pupil: 3.1 - 12.5 mm
Illumination Color: None
Finish: Matte
Field of View, Linear: 5.7 - 16 ft at 100 yds
Eye Relief: 3.5 in
Color: Black
Weight: 21 oz
Adjustment Click Value: 0.25 MOA
Length: 14.57 in
Adjustment Type: MOA
Parallax: Adjustable
Illumination Type: Non-Illuminated
Width: 3 in
Height: 2.63 in
Lens Material: Glass
Optical Coating: Multi Coated
Weather Resistance: Yes
Water Resistance Level: Waterproof
Shockproof: Yes
Fogproof: Yes
Package Type: Box
Included Accessories: Scope Caps, Lens Cloth
Magnification Type: Variable
W/E Travel at 100 Yds: 55 MOA
Gun Type: Rifle

Features of Barska 4-16x50 AO Varmint Rifle Scope w/ Adjustable Objective - AC10042 Rifle scope

  • Magnification (Zoom) 4x-16x
  • Objective Lens 50mm
  • Tube Diameter 1 in
  • Eye Relief 3.5 inch
  • Exit Pupil 12.5-3.1mm
  • Click Value 1/8 MOA
  • Field of View(ft@100yds / m@100m) 16/5.3@6.5x, 5.7/1.9@20x
  • Reticle 30/30
  • Reticle Illumination None
  • Reticle Color Black
  • Turret Style Capped
  • Focal Plain Second
  • Optical Coating Multi-Coated
  • Parallax Adjustment Objective
  • Waterproof Yes
  • Fogproof Yes
  • Product Weight 21 oz.
  • Length 14.57 in
  • Finish Black Matte

Package Contents:

  • Barska 4-16x50 AO Varmint Rifle Scope w/ Adjustable Objective - AC10042 Rifle scope
  • Scope Caps Lens Cloth

Barska 4-16x50 AO Varmint Rifle Scope w/ Adjustable Objective - AC10042 Rifle Scope Orderable Models

List of Orderable Models

  • Barska 4-16x50 AO Varmint Rifle Scope w/ Adjustable Objective - AC10042 Rifle Scope , MPN: AC10042 , UPC: 790272976454 , Code: BK-RS-AC10042
Compare (0)