Monstrum Alpha
VS
Sightmark Presidio

VS

Monstrum Alpha
The Alpha Series GA1424 FFP Rifle Scope by Monstrum Tactical is built for serious shooters looking for reliability without unnecessary features. With 1-4x magnification, this scope excels at close to mid-distance shooting, reaching out to 300 yards. It boasts a first focal plane MOA reticle that provides clear ranging information, making it easy to estimate distances and adjust for holdover. Constructed from tough aircraft-grade 6061 aluminum, it features a sealed, nitrogen-charged tube to keep out moisture and fog. The MIL-STD 8625 type III hard anodized finish ensures it can withstand rugged conditions. Plus, it comes with spring-loaded flip-up lens covers to keep your lenses protected. The scope also includes a two-year replacement warranty. However, it does not offer reticle illumination, locking turrets, a detachable honeycomb killflash, or scope rings.
Sightmark Presidio
The Sightmark Presidio delivers excellent optical performance, thanks to its fully multi-coated lenses that maximize light transmission and ensure superior brightness and color accuracy. Whether you’re competing, plinking at the range, or out hunting, the clarity and image quality are exceptional. The low-profile locking turrets are a standout feature, offering quick, secure adjustments even in dynamic conditions. This scope’s rugged construction is reinforced by a single-piece 30mm tube made from aircraft-grade aluminum, ensuring it can withstand recoil and external stresses without compromising alignment. I appreciate the Presidio’s IP67 rating, which makes it dustproof, waterproof, and shockproof, allowing it to endure immersion up to 3 feet and drops of up to 3 feet. Its scratch-resistant lens coating keeps the optics in pristine condition, while the zero-stop elevation dial makes adjustments effortless and precise in any environment.
Basic Details
| Brand | Color | Style | Sport | Item Weight | Material | |
|---|---|---|---|---|---|---|
| Monstrum Alpha | Monstrum | Flat Dark Earth | Tactical | Hunting | 0.67 Kilograms | Aluminum |
| Sightmark Presidio | Sightmark | Black | 5-30x56 LR2 | Hunting, Paintball, Airsoft | 33 Ounces | Aluminum |
Magnification & Range
| Magnification | Parallax Setting | |
|---|---|---|
| Monstrum Alpha | 1-4x | 300+ yards |
| Sightmark Presidio | 5-30x | 25 yards to infinity |
Performance Insights
| Eye Relief | Zoom Ratio | FOV | Night Vision | |
|---|---|---|---|---|
| Monstrum Alpha | 3.5-4 inches | 4:1 | 25.5 - 6.5 degrees | No |
| Sightmark Presidio | 3.5 - 3.7 inches | 6:1 | 6.6° - 1.1° | No |
To Calculate scope clicks: Let’s check out Scope Clicks Calculator
Diameter & Tube Size
| Tube Size | Tube Diameter | Objective Diameter | |
|---|---|---|---|
| Monstrum Alpha | 30mm | 30mm | 24mm |
| Sightmark Presidio | 30mm | 30mm | 56mm |
Compatibility
| Compatible Devices | Mounting Type | |
|---|---|---|
| Monstrum Alpha | Rifle | Cantilever Mount |
| Sightmark Presidio | Handgun, Rifle | Picatinny Mount |
Additional Features
| Reticle | Max Elevation Adjustment | |
|---|---|---|
| Monstrum Alpha | BDC reticle in FFP | 50-60 MOA |
| Sightmark Presidio | MRAD or MOA | 100 MOA |
Built for Tough Conditions
| Waterproof | Fogproof | Shockproof | |
|---|---|---|---|
| Monstrum Alpha | Yes | Yes | Yes |
| Sightmark Presidio | Yes | Yes | Yes, rated for recoil up to .50 BMG |
Accessories & Warranty
| Includes | Warranty | |
|---|---|---|
| Monstrum Alpha | GA 1-4x24 LVPO FFP Scope, Flip-Up Lens Covers, Lens Cleaning Cloth, Manual | Limited lifetime warranty |
| Sightmark Presidio | Scope caps, lens cloth, user manual | Limited Lifetime Warranty from Sightmark |



















