Viper PST 4-16x50 FFP Riflescope - First Focal Plane
The Vortex Viper PST 4-16×50 FFP Rifle Scope with EBR-1 MOA PST-416F1-A 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 308 Scope delivers the performance and features tactical shooters demand at an economical price.
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Viper PST 4-16x50 FFP Riflescope — First Focal Plane
| 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 |
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 |
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| 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. |
Subtension detail for the Viper PST 4-16×50 FFP riflescope with EBR-1 MOA reticle.
Vortex 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.
Vortex Viper PST 4-16×50 FFP Rifle Scope with EBR-1 MOA PST-416F1-A
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