
Viper 3-9x40 Riflescope
Effortlessly shrugging off recoil, moisture and darkness! The Viper's status as a premium riflescope won't be as easy to shake. Discover a riflescope with incredible performance features like premium, fully multi-coated optics with 95 percent light transmission, heavy duty Precision Force spring systems and the glass smooth Precision Glide erector system—delivering all this and more at a price that should have pulled a few more hundreds from your wallet than it did.
- 3-9x40 riflescope is ideal for big game, muzzleloader, and slug shotgun applications.
- Dead-Hold BDC reticle has a customized design that helps eliminate guesswork on hold-over and windage corrections. Good for any hunting or shooting at varying ranges where estimating hold-over would be a concern.
Optical Features | |
| XD Lens Elements | Extra-low dispersion (XD) glass increases resolution and color fidelity, resulting in crisp, sharp images. |
| XR Lens Coatings | Vortex proprietary XR fully multi-coated lens coatings increase light transmission for maximum brightness. |
Construction Features | |
| One-Inch Tube | Standard tube diameter for most American riflescopes. |
| One-Piece Tube | Maximizes strength and waterproofness. |
| Aircraft-Grade Aluminum | Premium grade of aluminum, valued for fatigue resistance. |
| Precision-Force Spring System | Uses premium components in the erector-spring system, ensuring maximum repeatability and ease of adjustment. |
| Precision-Glide Erector System | Uses premium components in the zoom lens mechanism, ensuring smooth magnification changes under the harshest conditions. |
| Waterproof | Optics are sealed with o-rings to prevent moisture, dust, and debris from getting inside the binocular. |
| Fogproof | Barrels are filled with argon gas to inhibit internal fogging. |
| Shockproof | Lenses are locked in place, fore and aft, with machined locking rings to remain in perfect alignment and withstand recoil and impact. |
| Hard Anodized Finish | Hard-coat anodization is durable; the low-glare matte helps camouflage the shooter’s position. |
| ArmorTek | Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt. |
Convenience Features | |
| MAG-View Bar | Permits quick and easy adjustment of magnification range—even under the coldest conditions. Patent 7,937,879 |
| Fast Focus Eyepiece | Allows quick and easy reticle focusing. |
| Low Capped Turret | Is less susceptible to accidental impact damage. |
| Quick Reset Turrets | Allow quick re-indexing of the turret housing to zero after sighting in the riflescope—re-index with fingers alone (no tool needed). |
| Magnification | 3-9 x |
| Objective Lens Diameter | 40 mm |
| Eye Relief | 3.5-3.7 inches |
| Field of View | 35.5-12.2 feet/100 yards |
| Tube Size | 1 inch |
| Turret Style | Low capped |
| Adjustment Graduation | 1/4 MOA |
| Travel per Rotation | 12 MOA |
| Max Elevation Adjustment | 92 MOA |
| Max Windage Adjustment | 92 MOA |
| Parallax Setting | 100 yards |
| Length | 12.4 inches |
| Weight | 14.2 ounces |
| Product Manual (PDF) | Download |
| Product Manual 2 (PDF) | Download |
Viper 3-9x40 Dimensions

Dead-Hold BDC Reticle (MOA)
Customized dot design helps eliminate guesswork on holdover and windage corrections. Good for hunting/shooting at varying ranges where estimating holdover is a concern.
Bubble Level
Vertically align the reticle crosshair on a 1-inch riflescope tube.
MSRP: $49.00
Buy Now: $34.99Viper 3-9x40 TMT Cap
Customized TMT elevation cap for Viper 3-9x40 riflescope with MOA clicks.
MSRP: $100.00
Where to BuyHS 1-Inch Rings
Mounts 0.88 inches (22.2 mm) from base to center. Sold two per package.
MSRP: $40.00
Buy Now: $34.99HS 1-Inch Rings
Mounts 0.75 inches (19.1 mm) from base to center. Sold two per package.
MSRP: $40.00
Buy Now: $34.99HS 1-Inch Quick-Release Rings
Mounts 0.88 inches (22.2 mm) from base to center. Sold two per package.
MSRP: $80.00
Buy Now: $64.99HS 1-Inch Quick-Release Rings
Mounts 0.75 inches (19.1 mm) from base to center. Sold two per package.
MSRP: $80.00
Buy Now: $64.99Flip Cap Optic Cover
SIZE 4: For optics with an outside diameter of 1.4 to 1.6 inches.
MSRP: $9.00
Buy Now: $7.99Flip Cap Optic Cover
SIZE 6: For optics with an outside diameter of 1.8 to 2.2 inches.
MSRP: $9.00
Buy Now: $7.99Flip Cap killFLASH ARD
Reduces glare and reflection. Fits optics with an outside diameter of 1.84–2.2 inches.
MSRP: $58.00
Buy Now: $49.99







































