User Ratings
No ratings yet
Be the first to review this product
NCSTAR Duo 4X34mm with offset green dot optic designed for left-eye dominant shooters.
- Magnification: 4X
- Objective lens size: 34mm
- Reticle: Urban Tactical (blue) with etched reticle and blue illumination
- Offset reflex green dot: -30° offset integrated into the left side of the scope body
- Designed to maintain the same bore height as the scope reticle
- Reticle/illumination: LED with five brightness settings for both blue reticle and green dot
- Eye relief: 2.5" - 3.3"
- FOV: 26.0 ft at 100 yards
- Exit pupil: 16.5mm - 4.5mm
- Click value: 1/2 MOA
- Integrated mount: fits Weaver / Picatinny MIL-STD-1913 rails
- Optic centerline height: 1.5" (AR15)
- Body color/finish: black anodized aluminum
- Battery: CR123A (3-volt lithium batteries included)
- Includes: rubber bikini lens covers, batteries, and mounting tools
- US Patent: D741446
Specifications
- Manufacturer:
- Ncstar
- Category:
- lpvo-scope
- Weight:
- 15.7 oz
- Length:
- 5.8"
- UPC:
- 848754003874
- MPN:
- VDUO434DGBLH
- Required Component:
- No
Parts Cabinet
Track parts you own or plan to buy.
Where to Buy
Have one to sell?
Sponsored
MantisX
The smart way to train your AR build
Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.
Shop BlackBeardXPrice History
Current
$128.99
Lowest
$128.99
Highest
$128.99
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertSimilar Products
Leupold Mark 5HD Rifle Scope - 3.6-18x44 (35mm) M1C3 FFP Illum. PR-1 MOA
Leupold
$2499.99
Monstrum Banshee 1-6x24mm LPVO Rifle Scope 30mm Tube Offset Mount Second Focal Plane
Monstrum
$129.99
Firefield Barrage 2.5-10x40 Rifle Scope with Red Laser Mil-Dot FF13065
Firefield
$119.97
Trijicon 400330 ACOG TA44 1.5x16 Scope Red Circle Dot Reticle
Trijicon
$1060.98
Sig Sauer Tango-MSR Compact 1-10x24 FFP Illum BDC-10 Riflescope with Mount
Sig Sauer
$629.99
Vortex Razor HD Gen II 1-6x24 Riflescip with VMR-2 ILL DOT MOA
Vortex
$1399.99
ZEISS Conquest V4 1-4x24 ZQAR Illum. Reticle #62 .5 MOA
Zeiss
$524.00
Vortex Optics Strike Eagle Rifle Scope 1-8x 24mm Illuminated EBR-8 MOA Reticle Matte Black
Vortex
$349.99
Builds Using This Part
No builds yet — be the first to use this part.
Related Guides
Guide
AK Optics Mounting Guide: Side Rail vs Dust Cover vs Handguard
Compare the main AK optics mounting approaches and choose the right setup for durability, repeatable zero, and practical shooting performance.
8 min read
Guide
AR-15 Optic Height Over Bore Explained (1.54, 1.93, 2.26)
An AR-15 optic mounting guide explaining height over bore, close-range offset, holdovers, and tradeoffs between absolute co-witness, lower-third, and taller mount heights.
7 min read
Guide
Optics 101: Red Dots, LPVOs, and Magnified Scopes
A high-level overview of the main optic categories, explaining tradeoffs between speed, versatility, and precision for AR-15 builds.
7 min read