
Viper 6.5-20x50 PA 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.
- 6.5-20x50 riflescope is ideal for tactical, long range, predator/varmint, and target applications.
- Mil Dot reticle is useful for helping estimate range, windage and bullet hold-over. Good for long distance shooters and hunters who need the ranging ability. The Mil Dot subtensions are accurate at 14x.
- Side knob parallax adjust allows quick and easy parallax adjustments with range numbers visible while in the shooting position.
- 30mm main tube offers improved windage and elevation adjustment along with greater strength.
- Tall capped turrets allow quick and easy field adjustments.
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 | |
| 30 mm Tube | Allows greater windage and elevation adjustment travel along with greater strength compared to the one-inch tube. |
| 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. |
| Tall Capped Turret | Maximizes ease of windage and elevation adjustments in the field. |
| 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). |
| Side Parallax | Uses an adjustment mechanism on the left side of the riflescope to fine-tune focus for the purpose of reducing parallax shooting error. |
| Magnification | 6.5-20 x |
| Objective Lens Diameter | 50 mm |
| Eye Relief | 3.1-3.3 inches |
| Field of View | 17.4-6.2 feet/100 yards |
| Tube Size | 30 mm |
| Turret Style | Tall capped |
| Adjustment Graduation | 1/4 MOA |
| Travel per Rotation | 12 MOA |
| Max Elevation Adjustment | 68 MOA |
| Max Windage Adjustment | 68 MOA |
| Parallax Setting | 50 yards to Infinity |
| Length | 14.4 inches |
| Weight | 21.6 ounces |
| Product Manual (PDF) | Download |
| Product Manual 2 (PDF) | Download |
Viper 6.5-20x50 PA Dimensions

Mil Dot Reticle (MOA)
Originating from the US Marine Corps., this reticle is useful for helping to estimate range, windage and bullet holdover. Good for long distance shooters/hunters needing ranging ability.
Bubble Level
Vertically align the reticle crosshair on a 30 mm riflescope tube.
MSRP: $49.00
Buy Now: $34.99Viper 6.5-20x50 TMT Cap
Customized TMT elevation cap for Viper 6.5-20x50 riflescope with MOA clicks.
MSRP: $100.00
Where to BuyCantilever Quick-Release Mounts
ADR cantilever quick-release (QR) ring mount with 2-inch offset.
MSRP: $259.00
Buy Now: $189.99Precision Matched Rings-30mm
Mounts 1.26 inches (32 mm) from base to center. Sold two per package.
MSRP: $129.00
Buy Now: $119.99Precision Matched Rings-30mm
Mounts 0.97 inches (24.64 mm) from base to center. Sold two per package.
MSRP: $129.00
Buy Now: $119.99HS 30 mm Quick-Release Rings
Mounts 1.12 inches (28.3 mm) from base to center. Sold two per package.
MSRP: $100.00
Buy Now: $82.99HS 30 mm Quick-Release Rings
Mounts 0.97 inches (24.5 mm) from base to center. Sold two per package.
MSRP: $100.00
Buy Now: $82.99HS 30 mm Rings
Mounts 1.12 inches (28.3 mm) from base to center. Sold two per package.
MSRP: $60.00
Buy Now: $47.99HS 30 mm Rings
Mounts 0.97 inches (24.5 mm) from base to center. Sold two per package.
MSRP: $60.00
Buy Now: $47.99Flip Cap Optic Cover
SIZE 5: For optics with an outside diameter of 1.6 to 1.8 inches.
MSRP: $9.00
Buy Now: $7.99Flip Cap Optic Cover
SIZE 7: For optics with an outside diameter of 2.2 to 2.4 inches.
MSRP: $9.00
Buy Now: $7.99Flip Cap killFLASH ARD
Reduces glare and reflection. Fits optics with an outside diameter of 2.2–2.45 inches.
MSRP: $58.00
Buy Now: $49.99












































