(MOA)
Viper PST 4-16x50 FFP
EBR-1 (MOA) Reticle | 30mm Tube
Select a product to compare with the product you are currently viewing.
Viper PST 4-16x50 FFP Riflescope — First Focal Plane
The Viper PST (Precision Shooting Tactical) riflescope boasts features associated with top-tier riflescopes, yet comes in at a street price under the $1,000 mark. Matching reticle and turret measurements allow accurate, fast dialing of shots. The one-piece 30mm tube, precision-machined from a single solid block of aircraft-grade 6061-T6 aluminum, offers ample windage and elevation adjustment. Born from an intimate understanding of riflescope design, forward-thinking engineering, and open ears to a market incredibly vocal about what it wants in a riflescope, the Viper PST series delivers the performance and features tactical shooters demand at an economical price.
Also available with a second focal plane reticle.
Dual use for Shooting Tactical / Hunting • US Patent 7,937,879
| Magnification | 4-16 x |
| Objective Lens Diameter | 50 mm |
| Eye Relief | 4.0 inches |
| Field of View | 27.4-7.4 feet/100 yards |
| Tube Size | 30 mm |
| Turret Style | Tactical CRS Zero Stop |
| Adjustment Graduation | 1/4 MOA |
| Travel per Rotation | 12 MOA |
| Max Elevation Adjustment | 75 MOA |
| Max Windage Adjustment | 75 MOA |
| Parallax Setting | 50 yards to Infinity |
| Length | 13.7 inches |
| Weight | 22.4 ounces |
| Product Manual (PDF) | Download |
| Product Manual 2 (PDF) | Download |
Optical Features | |
| 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. |
| First Focal Plane Reticle | Scale of reticle remains in proportion to the zoomed image. Constant subtensions allow accurate holdover and ranging at all magnifications. |
| Glass-etched Reticle | Protected between two layers of glass for optimum durability and reliability. |
| Illuminated Reticle | Provides precise aiming under low-light conditions. |
Construction Features | |
| Tube Size | 30 mm diameter. |
| Single-Piece Tube | Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness. |
| Aircraft-Grade Aluminum | Constructed from a solid block of aircraft-grade aluminum for strength and rigidity. |
| Waterproof | O-ring seals prevent moisture, dust and debris from penetrating the riflescope 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. |
| Hard Anodized Finish | Highly durable low-glare matte finish helps camouflage the shooter's position. |
| ArmorTek | Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt. |
| Tactical-Style Turrets | Exposed turrets provide fast, accurate and easily read elevation and windage adjustments. |
| Side Focus | Adjustment located on riflescope's left side and is easily accessible from shooting position. Provides optimal image focus and parallax removal. |
Internal Mechanism Design Features | |
| CRS Zero Stop | Customizable Rotational Stop (CRS) aids in return to zero after dialing temporary elevation correction. |
| Precision-Force Spring System | Uses premium components in the erector-spring system to ensure maximum repeatability and ease of adjustment. |
| Precision-Glide Erector System | Uses premium components in the zoom lens mechanism to ensure smooth magnification changes under the harshest conditions. |
Convenience Features | |
| MAG-View Fiber Optic | Provides a highly visible reference point for the magnification setting. |
| Radius Bar | Fiber optic turret rotation indicator provides a highly visible and tactile point of reference for turret rotations. US Patent 7,937,879 |
| Fast Focus Eyepiece | Allows quick and easy reticle focusing. |
| Magnification | 4-16 x |
| Objective Lens Diameter | 50 mm |
| Eye Relief | 4.0 inches |
| Field of View | 27.4-7.4 feet/100 yards |
| Tube Size | 30 mm |
| Turret Style | Tactical CRS Zero Stop |
| Adjustment Graduation | 1/4 MOA |
| Travel per Rotation | 12 MOA |
| Max Elevation Adjustment | 75 MOA |
| Max Windage Adjustment | 75 MOA |
| Parallax Setting | 50 yards to Infinity |
| Length | 13.7 inches |
| Weight | 22.4 ounces |
| Product Manual (PDF) | Download |
| Product Manual 2 (PDF) | Download |
Viper PST 4-16x50 Dimensions
| Lengths | |||||
| L1 | L2 | L3 | L4 | L5 | L6 |
| 13.7 | 2.1 | 2.2 | 5.6 | 4.2 | 3.6 |
| Heights | |
| H1 | H2 |
| 2.26 | 1.63 |
Dimensions measured in inches.
EBR-1 Reticle (MOA)
The EBR-1 (Enhanced Battle Reticle) is a hashmarked ranging reticle using MOA based subtension lines for ranging, holdover, and windage corrections. First focal plane reticle.
Subtension detail for the Viper PST 4-16x50 FFP riflescope with EBR-1 MOA reticle.>
Read the Viper PST 4-16x50 FFP Riflescope with EBR-1 MOA Reticle manual for details on how to effectively determine range, holdover, windage and moving lead corrections.
Precision Matched Rings-30 mm
Mounts 1.26 inches (32 mm) from base to center. Sold two per package.
MSRP: $199.00
Buy Now: $129.99
Precision Matched Rings-30 mm
Mounts 0.97 inches (24.64 mm) from base to center. Sold two per package.
MSRP: $199.00
Buy Now: $129.99
Precision Matched Rings-30 mm
Mounts 0.87 inches (22.1 mm) from base to center. Sold two per package.
MSRP: $199.00
Buy Now: $129.99
Flip Cap Optic Cover
Size 7
For optics with an outside diameter of 2.2 to 2.4 inches.
MSRP: $12.00
Buy Now: $8.99
Bubble Level
Vertically align the reticle crosshair on a 30 mm riflescope tube.
MSRP: $49.00
Buy Now: $34.99
Flip Cap Optic Cover
Size 5
For optics with an outside diameter of 1.6 to 1.8 inches.
MSRP: $12.00
Buy Now: $8.99
Torque Wrench Mounting Kit
Tighten to the specified torque and not a bit more.
MSRP: $89.99
Buy Now: $69.99