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Description
Vector Optics Sentinel-X Pro10-40x50 Center Dot Rifle Scope (SCOL-58)Feature Custom Designed COM 25M Reticle Exclusive for 25 Meters Benchrest Target Shooting 4x Zoom Factor, 30mm Tube, SFP, High power Riflescope for Precise Shooting Center Dot Illuminated Reticle Enables You to Shoot Under Various Light Conditions 1 8 MOA Audible Adjustments Allow for Precise Calibration, Focus Min at 10 Yards Specifications Optical Parameter Magnification 10 40x Objective Lens Dia 50 mm Focal Plane Second Focal Plane Eye Relief 90 mm
Feature
- Custom Designed COM-25M Reticle Exclusive for 25 Meters Benchrest Target Shooting
- 4x Zoom Factor, 30mm Tube, SFP, High-power Riflescope for Precise Shooting
- Center Dot Illuminated Reticle Enables You to Shoot Under Various Light Conditions
- 1/8 MOA Audible Adjustments Allow for Precise Calibration, Focus Min at 10 Yards
Specifications
Optical Parameter
| Magnification | 10-40x |
| Objective Lens Dia | 50 mm |
| Focal Plane | Second Focal Plane |
| Eye Relief | 90 mm |
| Lens Coating | Fully Multi-coated |
| Linear Field of View @ 100 yd | 10.21-2.61 ft @ 100 yards |
| Linear Field of View @ 100 m | 3.4-0.87 m @ 100 meters |
| Angular Field of View | 1.95-0.5 ° |
| Reticle | COM-25M |
Mechanical Parameter
| Tube Dia | 30 mm |
| Side Focus | 10 meters to Infinity |
| Click Value | 1/8 MOA |
| Turret Function | Zero Stop |
| Elevation Adjustment Range | 50 MOA |
| Windage Adjustment Range | 50 MOA |
| Diopter Compensation | -2 to +1.5 |
| Illumination Setting | 11 Gears |
| Battery Type | CR2032 |
| Battery Life | N/A |
| Waterproof | IPX4 |
| Fogproof | Nitrogen Filled |
| Shockproof | 750 G |
| Housing Material | 6061-T6 Aluminum Alloy |
| Finish | Matte Black |
| Length | 409 mm / 12.8 in |
| Weight | 792 g / 27.9 oz |
| Items in the Package | User Manual, Plastic Wrench, Cleaning Cloth, Flip-up Caps, Hex Keys, Sunshade, etc. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Good quality dog ball for playing fetch
Size: Medium
My dog and family love these chuck it balls to play fetch with our dog. They are durable and fun. They squeak which is added fun for any dog! Regular tennis balls my dog chews apart and they get pretty gross after playing and being left outside. These can be easily washed off and cleaned. These balls last! Would recommend to anyone with a dog and would purchase again.
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Reviewed in the United States on April 17, 2025
★★★★★ 5
Tough and sturdy
Size: Medium
Have lasted my dog for years now and she is a tough chewer. Worth the money
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Reviewed in the United States on December 12, 2025
★★★★★ 5
Bouncy, not hard, and good value.
Style: Fetch Balls (Pack of 10), Size: 2.5 inch
Great balls for the ball launcher and not rockhard like some of the solid rubber balls. These have great bounce, and because of the two holes, they make a fun whistling noise as they fly through the air. My dogs love them and they are a good value.
By the way, if you throw them too hard, they will go through chain-link and no climb fence because they squish a bit!
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Reviewed in the United States on February 16, 2026
★★★★★ 5
Excellent dog balls — safe design and very durable
Style: Fetch Balls (Pack of 3), Size: 2.5 inch
These fetch balls from Amazon Basics are fantastic, and my dog absolutely loves them. One of the biggest reasons I prefer these over other brands is the hole that runs through the center of the ball. This is a very important safety feature: if a dog were to accidentally get the ball stuck in the back of the throat, the hole allows air to pass through. That small detail could literally make a life-saving difference.
Aside from the safety benefit, they bounce well, are easy to clean, and hold up to a lot of playtime. They’re firm but not rock-hard, and my dog goes crazy for them. Great value, great quality, and a thoughtful design.
Highly recommended for dog owners who want a safer alternative to standard solid rubber balls.
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Reviewed in the United States on December 1, 2025
★★★★★ 5
Great ball for heavy chewers
Style: Assorted Balls (Pack of 3), Size: 2.5 inch
Great toy for my Doberman. She chews through tennis balls in about 15 minutes but these are very durable. She likes to chase them but also just chew on them.
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Reviewed in the United States on April 26, 2026
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