Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

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 FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
You May Also Like
Blazin' Deal Vortex Diamondback 10x42mm Roof Prism Binocular, Green, D241
Vortex Diamondback 10x42mm Roof Prism Binocular, Green, D241
(209)
List: $279.00 $149.99 Save $129.01
Coupon Available Vortex Defender Flip Cap Objective Lens 50, 55-59mm, Black, 1.3oz, O-50
Vortex Defender Flip Cap Objective Lens 50, 55-59mm, Black, 1.3oz, O-50
(178)
List: $34.99 $29.00 Save Up to $5.99
Free Gift Available Winchester Supreme Optics 1-4x24mm 30mm Tube IR Rifle Scope, Second Focal Plane, Illuminated Etched Reticle, Black, 1-4x24IR
Winchester Supreme Optics 1-4x24mm 30mm Tube IR Rifle Scope, Second Focal Plane, Illuminated Etched Reticle, Black, 1-4x24IR
(2)
List: $264.99 $229.99 Save $35.00
Coupon Available TRYBE Optics HIPO Rifle Scope, 3-18x50mm, 30 mm Tube, FFP, PLR-25 MOA Reticle, Black, TRORS3-18x50FFP-BL
TRYBE Optics HIPO Rifle Scope, 3-18x50mm, 30 mm Tube, FFP, PLR-25 MOA Reticle, Black, TRORS3-18x50FFP-BL
(17)
List: $499.99 $379.99 Save Up to $274.99
Coupon Available TRYBE Optics HIPO Rifle Scope, 6-24x50mm, 30mm Tube, FFP, PLR-25 MOA Reticle, Black, TRORS6-24x50FFP-BL
TRYBE Optics HIPO Rifle Scope, 6-24x50mm, 30mm Tube, FFP, PLR-25 MOA Reticle, Black, TRORS6-24x50FFP-BL
(7)
List: $449.99 $299.99 Save Up to $204.99
Blazin' Deal TRYBE Optics Enhancer Scope Magnification Doubler, 2x40mm, 30 mm/34 mm/1 inch Tube Mount, Black, ENHRS3034
TRYBE Optics Enhancer Scope Magnification Doubler, 2x40mm, 30 mm/34 mm/1 inch Tube Mount, Black, ENHRS3034
(49)
List: $349.99 $73.49 Save Up to $276.50
Coupon Available CMC Triggers AR-15/AR-10 Single Stage Drop-in Competition Trigger, Tactical Flat, 2.5 lb Pull, 90503
CMC Triggers AR-15/AR-10 Single Stage Drop-in Competition Trigger, Tactical Flat, 2.5 lb Pull, 90503
(121)
List: $189.99 $174.00 Save $15.99
Blazin' Deal TRYBE Optics Enhancer Rifle Scope Magnification Quadrupler, 4x54mm, 30mm Tube, Black, ENHRS4X
TRYBE Optics Enhancer Rifle Scope Magnification Quadrupler, 4x54mm, 30mm Tube, Black, ENHRS4X
(4)
List: $799.99 $304.00 Save Up to $526.00
Blazin' Deal TRYBE Optics DiMA1000 Laser Rangefinder with Mount, Black, TROLRF
TRYBE Optics DiMA1000 Laser Rangefinder with Mount, Black, TROLRF
(6)
List: $764.99 $647.73 Save Up to $205.00
Blazin' Deal TRYBE Defense Breathing Armor Reusable 4 Layer Water Repellent Face Mask, Adults, Gray, TRBMASK-1
TRYBE Defense Breathing Armor Reusable 4 Layer Water Repellent Face Mask, Adults, Gray, TRBMASK-1
(10)
List: $9.99 $1.82 Save Up to $9.46
Questions & Answers
Where is this scope made??? Expert Answer

The Diamondback scopes are produced in China.

by Bethany Kopel, Gear Expert, December 15, 2020
what does the left side dial do Manufacturer Answer

The left-side dial is a parallax adjustment knob!

by Vortex, Manufacturer, January 6, 2025
Customer Reviews
Helpful Positive Review Vortex Diamondback Scopes by JoeP, Verified Owner, August 8, 2024
The Vortex Diamondback HP 4-16x42 rifle scope is the perfect hunting scope for me. The elevation adjustment cover makes it impossible to accidentally spin the dial out of adjustment when removing the rifle from a bag or when brushing against clothing...
Read More...
2/2 found this helpful
Helpful Positive Review Vortex Diamondback HP 4-16x42mm Rifle Scope by Nate, Verified Owner, September 3, 2025
Product and OpticsPlanet are great. Scope is on my .270 and is way more then a .270 needs Will by another for my 7mm Rem Mag.
1/1 found this helpful
Helpful Positive Review Best Value by Joel Brooks, Verified Owner, August 13, 2025
Best Value for the buck. Vortex has good entry level scopes. The Diamondback will compete with most mid level in clarity of glass. I own 2 Diamondbacks now. They just work.
2/3 found this helpful
Helpful Positive Review Vortex HP 4x16x42 by Nickname, Verified Owner, February 4, 2025
Excellent scope for the money. Mounted on my 308 rifle. 50 to 100 yards firings. Could see the holes on the target and make adjustments at 100 yards. Very impressed with scope. Highly recommend it. Do not hesitate to buy. Parallax makes a big differe...
Read More...
5/5 found this helpful
Helpful Positive Review Vortex Diamondback HP 4 16 42 by Eighteen Whlsrolin, September 18, 2016
Pro's - The scope sighted in easily and the crosshair has not strayed off at all after firing 50 7mm mag rounds. Everything functions and the glass looks nice and clear to me. Con's - Not much except that the crosshair adjustment knobs do not have c...
Read More...
3/3 found this helpful
Helpful Positive Review Quality Scope by Paul, September 11, 2014
The Diamondback HP 4-16x42 is a quality scope. Optics and clarity is nearly as good as a Leupold VX-2. Adjustment dials give an audible click every 1/4 moa. Range markings on the scope's side focus parallax adjustment dial are accurate. The warran...
Read More...
47/51 found this helpful
Read All 197 Reviews

We've got an AWESOME deal for you!

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: V-Plex Tube Diameter: 1 inReticle Focal Plane: Second Focal Plane (SFP) Illumination Color: None Finish: Hard Anodized Color: Black Weight: 18 ozAdjustment Click Value: 0.25 MOAAdjustment Type: MOA Illumination Type: Non-Illuminated Included Accessories: 4-inch sunshade , Lens Cloth , Protective lens caps Additional Features: Capped Reset Turrets Condition: New W/E Travel at 100 Yds: 80 MOA

Code: VX-RS-DBHP4-DBK-10021

MPN: DBK-10021

UPC: 875874005457

Blazin' Deal
List: $429.00Save 54%
$198.75

Buy Together and Save

Product Info for OpticsPlanet Exclusive Vortex Diamondback HP 4-16x42mm Rifle Scope, 1in Tube, Second Focal Plane (SFP)

The Vortex Diamondback HP 4-16x42mm Shockproof Rifle Scope allows quick and easy reticle focusing to give you better accuracy in hitting your target. These Rifle Scopes engineered by the experts at Vortex Optics feature XD extra-low dispersion glass that increases resolution and color fidelity while XR fully multi-coated lenses maximize every minute of shooting light. The Vortex Diamondback HP 4-16x42 Rifle Scope includes easily accessible side focus parallax adjustment with a trim profile to allow optimal mounting height. The Vortex Diamondback HP 4-16x42mm Waterproof Rifle Scope is accurate even at the highest magnification to make your mark.image

Specifications for OpticsPlanet Exclusive Vortex Diamondback HP 4-16x42mm Rifle Scope, 1in Tube, Second Focal Plane (SFP):

Manufacturer: Vortex
Objective Lens Diameter: 42 mm
Magnification: 4 - 16 x
Reticle: V-Plex
Tube Diameter: 1 in
Reticle Focal Plane: Second Focal Plane (SFP)
Exit Pupil: 2.63 - 10.5 mm
Illumination Color: None
Finish: Hard Anodized
Field of View, Linear: 6.1 - 23.8 ft at 100 yds
Eye Relief: 4 in
Color: Black
Weight: 18 oz
Adjustment Click Value: 0.25 MOA
Length: 12.5 in
Adjustment Type: MOA
Parallax: 30 yds to infinity
Illumination Type: Non-Illuminated
Fabric/Material: Aircraft-Grade Aluminum
Adjustment Range: 80 MOA
Height: 2 in
Focus Range: 30 yds to infinity
Lens Material: XD Glass
Optical Coating: Fully Multi-Coated
Weather Resistance: Fog Resistant
Water Resistance Level: Waterproof
Shockproof: Yes
Fogproof: Yes
Package Type: Box
Included Accessories: Protective lens caps, Lens Cloth, 4-inch sunshade
Magnification Type: Variable
Additional Features: Capped Reset Turrets
Condition: New
W/E Travel at 100 Yds: 80 MOA

Features of OpticsPlanet Exclusive Vortex Diamondback HP 4-16x42mm Rifle Scope, 1in Tube, Second Focal Plane (SFP):

  • XD Lens Elements - Extra-low dispersion (XD) glass increases resolution and color fidelity, resulting in crisp, sharp images
  • XR Fully Multi-Coated - Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces
  • Second Focal Plane Reticle - Scale of reticle maintains the same ideally-sized appearance. Listed reticle subtensions used for estimating range, holdover and wind drift correction are accurate at the highest magnification
  • Capped Reset Turrets - Allow re-indexing of the turret to zero after sighting in the Rifle Scope. Caps provide external protection for turret
  • 1-inch diameter single-piece tube - maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproof function
  • Aircraft-Grade Aluminum - Constructed from a solid block of aircraft-grade aluminum for strength and rigidity
  • Hard Anodized Finish - Highly durable low-glare matte finish helps camouflage the shooter's position
  • Waterproof - O-ring seals prevent moisture, dust and debris from penetrating the Rifle Scope for reliable performance in all environments
  • Fogproof - Argon gas purging prevents internal fogging over a wide range of temperatures
  • Shockproof - Rugged construction withstands recoil and impact
  • Precision-Glide Erector System - Uses premium components in the zoom lens mechanism to ensure smooth magnification changes under the harshest conditions
  • Side Focus - Adjustment located on Rifle Scope's left side and is easily accessible from shooting position. Provides optimal image focus and parallax removal
  • Fast Focus Eyepiece - Allows quick and easy reticle focusing

Package Contents:

  • OpticsPlanet Exclusive Vortex Diamondback HP 4-16x42mm Rifle Scope, 1in Tube, Second Focal Plane (SFP)
  • 4-inch Sunshade
  • Lens Caps
  • Lens Cloth

OpticsPlanet Exclusive Vortex Diamondback HP 4-16x42mm Rifle Scope, 1in Tube, Second Focal Plane (SFP) Orderable Models

List of Orderable Models

OpticsPlanet Exclusive Vortex Diamondback HP 4-16x42mm Rifle Scope, 1in Tube, Second Focal Plane, V-Plex Reticle, Matte, Hard Anodized, Black, DBK-10021 , MPN: DBK-10021 , UPC: 875874005457 , Code: VX-RS-DBHP4-DBK-10021

OpticsPlanet Exclusive Vortex Diamondback HP 4-16x42mm Rifle Scope, 1in Tube, Second Focal Plane (SFP) Unavailable & Discontinued Models

List of Unorderable Models

DEMO, Vortex Diamondback HP 4-16x42mm Rifle Scope, 1in Tube, V-Plex Reticle, Black, DBK-10021 , MPN: DBK-10021-DEMO , Code: VX-RS-DBHP4-DBK-10021-DEMO
Refurbished, OpticsPlanet Exclusive Vortex Diamondback HP 4-16x42mm Rifle Scope, 1in Tube, Second Focal Plane, V-Plex Reticle, Matte, Hard Anodized, Black, DBK-10021 , MPN: DBK-10021-REFURB , Code: VX-RS-DBHP4-DBK-10021-REFURB
Vortex Diamondback HP 4-16x42mm Rifle Scope w/ Dead-Hold BDC Reticle, Black DBK-10019 , MPN: DBK-10019 , UPC: 875874005440 , Code: VX-RS-DBHP4-DBK-10019
Vortex Diamondback HP 4-16x42mm Rifle Scope w/ Dead-Hold BDC Reticle, Black DBK-10019 w/Vortex Defender Flip Cap Objective Lens 44,48-53 mm, Black O-44 , MPN: DBK-10019-KIT1 , Code: VX-RS-DBHP4-DBK-10019-KIT1
Compare (0)