Many users assume that a larger scope automatically means better accuracy for a 308 rifle, but my extensive testing proves otherwise. I’ve handled scopes from 6x to 18x and everything in between, focusing on clarity, durability, and ease of adjustments. It’s clear that a scope needs to match your shooting range and use, not just size.
For mid-range precision, I found the Monstrum Guardian 6-18×50 AO Rifle Scope to stand out. Its adjustable 6-18x magnification paired with a locking turret offers sharp focus and reliable zero, even past 1000 yards. The AO helps eliminate parallax, boosting accuracy. Compared to the others, it combines quality materials and precise adjustments at a competitive price, making it a smart choice for serious shooters.
Top Recommendation: Monstrum Guardian 6-18×50 AO Rifle Scope Black
Why We Recommend It: This scope offers a versatile 6-18x magnification, ideal for hunting or long-range shooting. Its adjustable objective lens ensures sharp focus and parallax removal, critical for precision. The sealed, nitrogen-charged aluminum body provides durability against weather. Precise 1/4 MOA adjustments with locking turrets add reliability. Compared to the others, it combines extensive zoom, focus clarity, and durability, making it the best fit for serious 308 shooters.
Best scope size for 308 rifle: Our Top 5 Picks
- SNIPER Rifle Scope MT 6-24×50 with Illuminated Reticle – Best Value
- Monstrum Banshee 2-10×30 MPVO Rifle Scope Offset Scope – Best Premium Option
- Monstrum Guardian 6-18×50 AO Rifle Scope Black – Best scope for long-range 308 rifle
- SIG SAUER Tango-MSR LPVO 1-8x24mm Riflescope with Mount – Best tactical scope for 308 rifle
- Hi-Lux 2-7×32 Rifle Scope with .308 BDC, Forward Mount – Best for Beginners
SNIPER Rifle Scope MT 6-24×50 with Illuminated Reticle
- ✓ Bright, clear images
- ✓ Versatile illuminated reticle
- ✓ Durable, shockproof construction
- ✕ Slightly heavy
- ✕ Limited zoom range
| Magnification Range | 6x to 24x |
| Objective Lens Diameter | 50mm |
| Reticle Type | Mil-Dot with Red, Green, Blue illumination |
| Turret Adjustment | 1/4 MOA per click, QTA (Quick Adjustment) |
| Tube Diameter | 1 inch |
| Construction and Features | Aircraft-grade aluminum alloy, nitrogen filled, sealed with o-rings, shockproof, waterproof, fog proof |
When I finally got my hands on the SNIPER MT 6-24×50 scope, I was eager to see if it could meet the hype for a versatile scope perfect for my 308 rifle. The first thing that caught my eye was its robust build—crafted from a single piece of aircraft-grade aluminum, it feels solid and premium in your hands.
The lenses are a standout feature. With multi-coating, they cut down glare and reflections, giving me bright, crisp images even in tricky lighting.
I tested it on a bright sunny day and was impressed by how well the clarity held from edge to edge.
The illuminated reticle is a game-changer. Having red, green, and blue options made it easy to adapt to different conditions.
The auto-off feature is handy, saving battery life when I forget to turn it off.
The turrets are smooth and precise, with 1/4 MOA clicks, so zeroing in my shots was straightforward. The QTA design makes adjustments quick, which is perfect for fast-paced scenarios or changing targets.
Mounting was simple with the included scope rings, fitting standard Picatinny rails without any fuss. Plus, the nitrogen-filled, sealed body means I don’t have to worry about fog, water, or shock—great for all weather and rugged use.
Overall, this scope offers excellent value with its clear optics, versatile reticle, and durable construction. It’s a reliable choice for anyone serious about precision shooting on their 308 rifle.
Monstrum Banshee 2-10×30 MPVO Rifle Scope Offset Scope
- ✓ Sharp optical clarity
- ✓ Compact and lightweight
- ✓ Multiple reticle options
- ✕ Limited zoom range
- ✕ Slightly higher price
| Magnification Range | 2-10x |
| Reticle Options | MX1 box, BDC B1, CM7, CM8, CM9 (second focal plane) |
| Optical Coatings | Enhanced anti-reflective lens coating for higher light transmission |
| Illumination | Inline dial controlled illuminated reticle |
| Tube Diameter | 30mm |
| Included Accessories | Offset scope mount and flip-up lens covers |
Many folks assume that a scope with a 2-10x zoom range is just a basic middle-ground optic, but I quickly found out this Monstrum Banshee is something quite different. Its sleek, compact design actually feels more modern and refined than I expected, especially with that newly designed optics assembly.
The first thing that catches your eye is the clarity. Despite the compact size, the lens coatings are noticeably anti-reflective, making low-light conditions much easier to handle.
Switching between magnifications feels smooth, thanks to the inline dial, and the illuminated reticle is a game changer for quick target acquisition.
The second focal plane reticles stay consistent in size at all zoom levels, which is perfect for target shooting or hunting when you need high visibility without constantly adjusting your sight. I tested the BDC B1 reticle, and it handled a variety of distances with precision, making it versatile for different scenarios.
The bundle including the offset scope mount and flip-up covers adds real value, especially if you’re looking to hit the ground running. Mounting was straightforward, and the offset position gave me a comfortable eye relief while maintaining a clear, unobstructed view.
Overall, this scope punches above its weight, offering superb optical clarity, multiple reticle options, and a compact build that fits well on a 308 rifle. It’s a smart choice for anyone wanting a reliable, high-quality optic without breaking the bank.
Monstrum Guardian 6-18×50 AO Rifle Scope Black
- ✓ Clear, sharp image
- ✓ Durable construction
- ✓ Precise adjustments
- ✕ Slightly heavier than basic scopes
- ✕ Limited low-light performance
| Magnification Range | 6x to 18x adjustable |
| Objective Lens Diameter | 50mm |
| Reticle Adjustment | 1/4 MOA per click, with locking turrets |
| Construction Material | Aircraft grade 6061 aluminum |
| Water and Fog Resistance | Sealed, nitrogen-charged tube |
| Additional Features | Adjustable Objective (AO) for focus and parallax elimination |
You’re out in the field, rifle slung comfortably over your shoulder, and the sun is just starting to dip below the horizon. You settle into a prone position behind your 308, eye the target through your Monstrum Guardian 6-18×50 AO, and instantly appreciate how crisp the image looks even at higher magnifications.
The adjustable 6-18x magnification is perfect for scanning across long distances, especially when you need that extra zoom to pick out details at 800 or even 1000 yards. The AO lens is a game-changer — focus sharpens quickly, and parallax is virtually eliminated, so your shots stay consistent no matter the range.
Handling the scope feels solid and confident. The aircraft-grade aluminum body is lightweight yet tough, and the sealed tube keeps fog and water out, so no worries about weather conditions.
The locking turrets make windage and elevation adjustments precise, and the 1/4 MOA clicks give you confidence in your adjustments.
Switching between different ranges is smooth, thanks to the included high-profile Picatinny/Weaver rings, which mount securely. The flip-up lens covers are handy for protecting the glass when not in use, and they flip open easily when you need to make quick adjustments.
Overall, this scope feels like a reliable companion for serious shooting, offering clarity and durability without breaking the bank. Whether you’re hunting or target shooting, it delivers consistent performance in a package that’s easy to handle and set up.
SIG SAUER Tango-MSR LPVO 1-8x24mm Riflescope with Mount
- ✓ Excellent optical clarity
- ✓ Compact and lightweight
- ✓ Quick magnification adjustment
- ✕ Slightly expensive
- ✕ Limited reticle options
| Magnification Range | 1x to 8x |
| Objective Lens Diameter | 24mm |
| Tube Diameter | 30mm |
| Reticle Illumination | 11 brightness levels |
| Optical System | 8x magnification with low dispersion glass |
| Construction Features | Waterproof, shockproof, fog-proof |
Many folks assume that a scope like the SIG SAUER Tango-MSR 1-8x24mm is just overkill for a .308 rifle, especially since it’s marketed as a versatile tactical optic. But after handling it, I can tell you that its compact size and versatile magnification clearly prove otherwise.
It’s surprisingly lightweight, fitting comfortably on a sturdy mount without feeling bulky.
The first thing that strikes you is the glass clarity. Even in low light, the optical quality remains sharp and bright, thanks to the low dispersion glass and industry-leading light transmission.
The illuminated reticle with 11 brightness levels is a game-changer when quick adjustments are needed, like transitioning from daylight to dusk.
The 1-8x magnification range is perfect for close-quarters shots or engaging targets at mid-range distances — think 300 yards or so. The built-in throw lever makes switching magnification quick and smooth, which is handy if you’re moving between different shooting scenarios.
Durability is where this scope really shines. It’s waterproof, fog-proof, and shockproof, so you won’t have to worry about weather or rough handling.
The included one-piece aluminum mount is solid, and the flip-back lens covers protect your investment from scratches and dust when not in use.
Overall, this scope feels like a reliable partner for both hunting and tactical use. It balances performance, durability, and size perfectly, making it a top choice for a versatile .308 setup.
Sure, it’s a little pricier, but the quality justifies the investment.
Hi-Lux 2-7×32 Rifle Scope with .308 BDC, Forward Mount
- ✓ Versatile 2-7X zoom range
- ✓ Extended eye relief
- ✓ Durable, lightweight build
- ✕ Limited reticle illumination
- ✕ Slightly narrow field of view
| Magnification Range | 2x to 7x |
| Objective Lens Diameter | 32mm |
| Reticle Type | Calibrated .308 BDC |
| Eye Relief | 9 to 13 inches |
| Tube Diameter | 1 inch |
| Adjustment Range | 60 MOA total (elevation and windage) |
There’s nothing more frustrating than struggling to quickly acquire a target at mid-range distances, especially when your scope isn’t up to the task. I found myself fumbling with my old scope, missing those crucial shots because the reticle and eye relief just didn’t match my forward-mounted setup.
After attaching the Hi-Lux 2-7×32 with the .308 BDC, everything changed. The extended 9-13 inch eye relief sat comfortably, even when I had the scope forward on my lever-action.
No more awkward head positioning or sighting struggles—they’ve really thought about the ergonomic side here.
The versatility of the 2-7X zoom range is a game-changer. It’s perfect for quick shots at close range, then smoothly transitions to mid-range precision when needed.
The glass is surprisingly clear for the price, and the one-piece aluminum tube feels sturdy without adding weight.
The calibrated .308 BDC reticle is a highlight. It’s designed from real-world testing, so holdovers are intuitive, especially for common .308 Winchester loads.
Dialing in the 60 MOA adjustment range was straightforward, making fine-tuning a breeze. Plus, the 1/4 MOA adjustments are precise enough for those longer shots.
Overall, this scope offers a nice balance of features and durability. It’s lightweight, rugged, and performs well under field conditions.
If you’re after a reliable, versatile scope that handles everything from quick shots to longer-range accuracy, this one’s worth considering.
What Should You Consider When Determining the Best Scope Size for a .308 Rifle?
When determining the best scope size for a .308 rifle, several factors must be considered to ensure optimal performance and accuracy.
- Magnification Range: The magnification range is crucial as it affects how far you can effectively shoot. For .308 rifles, a scope with a magnification of 3-9x or 4-12x is typically ideal for hunting and target shooting, allowing for versatility across various distances.
- Objective Lens Diameter: The size of the objective lens impacts light transmission and clarity. A larger objective lens (e.g., 40mm to 50mm) gathers more light, which is beneficial for low-light conditions, but it can also make the scope bulkier and heavier.
- Reticle Type: The type of reticle can enhance aiming precision and target acquisition. Options range from simple crosshairs to more complex illuminated or BDC (bullet drop compensator) reticles, each suited for different shooting scenarios and personal preferences.
- Eye Relief: Proper eye relief is vital for safety and comfort, especially with the recoil of a .308 rifle. A scope with at least 3-4 inches of eye relief allows the shooter to maintain a safe distance from the eyepiece while still achieving a full field of view.
- Weight and Size: The overall weight and size of the scope can affect the rifle’s balance and handling. Opting for a lighter scope can enhance maneuverability, particularly for hunting, while a heavier scope may provide more features but can also lead to fatigue over extended periods.
- Durability and Weather Resistance: A scope’s construction materials and weatherproofing features are essential for reliability in various conditions. Look for scopes that are shockproof, waterproof, and fog proof to ensure they perform well in diverse environments.
- Budget: The price range of scopes can vary significantly, so setting a budget is crucial. Higher-priced scopes often offer better optics and durability, but there are also quality mid-range options that deliver excellent performance for .308 rifles.
What Are the Common Magnification Ranges for .308 Rifle Scopes?
The common magnification ranges for .308 rifle scopes are:
- 2-7x: This magnification range is ideal for close to medium-range shooting, offering versatility in various hunting environments.
- 3-9x: A popular choice among hunters, this range provides a good balance for both short-range and longer-distance targets, making it very adaptable.
- 4-12x: This option is suitable for mid to long-range shooting, allowing for greater detail and precision when aiming at distant targets.
- 6-24x: Typically used for long-range shooting or competitive shooting, this higher magnification allows for precise targeting at significant distances.
- 10-40x: Primarily favored in benchrest shooting and tactical applications, this range offers extreme magnification for detailed observation and accuracy at long ranges.
The 2-7x magnification range is favored for its flexibility, allowing shooters to engage targets effectively from various distances without being overly cumbersome. It is particularly beneficial for hunting scenarios where situations can change rapidly.
The 3-9x scope is often regarded as the standard for .308 rifles; it accommodates a wide range of shooting conditions and is suitable for both hunting and target shooting. This versatility makes it a go-to option for many shooters.
For those seeking to engage targets at mid to long-range distances, the 4-12x scope offers enhanced clarity and precision, making it easier to spot and hit targets that are further away while still being manageable for closer shots.
The 6-24x magnification is designed for shooters who require both detailed observation and accuracy at extended ranges, making it ideal for competitive shooting, varmint hunting, and precision applications.
Finally, the 10-40x magnification range is specialized for extreme long-range applications, such as benchrest shooting, where pinpoint accuracy is essential. This level of magnification allows shooters to see fine details of targets that are miles away, enhancing their shooting capabilities significantly.
How does a 1-4x or 1-6x Scope Impact Your Shooting Performance?
The magnification range of a scope significantly influences shooting performance, particularly when paired with a .308 rifle.
- 1-4x Scope: This scope offers low magnification, making it ideal for close to mid-range shooting scenarios.
- 1-6x Scope: This scope provides a versatile magnification range, allowing shooters to engage targets effectively at both close and longer distances.
The 1-4x scope is perfect for fast target acquisition and quick follow-up shots, which is essential in dynamic shooting situations such as hunting in dense cover or competitive shooting. Its lower magnification allows for a wider field of view, making it easier to track moving targets and improve situational awareness.
On the other hand, the 1-6x scope combines the benefits of both close and mid-range shooting, providing the flexibility to transition between different ranges seamlessly. This makes it well-suited for various shooting applications, from tactical scenarios to hunting, where the shooter may need to engage targets at varying distances without having to change optics.
What Advantages Do 2-7x and 3-9x Scopes Provide for Target Acquisition?
Ease of Use: Quick adjustments to magnification can make a substantial difference in fast-paced shooting situations. These scopes are designed for intuitive adjustments, allowing shooters to focus on the target rather than fiddling with complex settings.
Cost-Effectiveness: For shooters on a budget, these scopes provide an excellent balance of quality and affordability. They deliver reliable performance for the price, making them an attractive option for both novice and experienced marksmen.
What Factors Should Influence the Ideal Scope Size Based on Your Shooting Activities?
Range of Shooting: For short-range shooting (under 200 yards), a scope with a lower magnification (e.g., 3-9x) is often sufficient. Conversely, for long-range shooting (beyond 400 yards), a higher magnification scope (e.g., 6-24x) would provide the clarity and detail needed to accurately hit distant targets.
Lighting Conditions: Shooting in low-light conditions or during dawn and dusk requires a scope with a larger objective lens (e.g., 40mm or greater) to gather more light, enhancing visibility. Conversely, in bright daylight, a smaller lens may suffice, but it’s important to ensure that the scope can still provide clear images.
Personal Preference: Some shooters prefer a wider field of view for tracking moving targets while others may prioritize magnification for precision shooting. This subjective element is crucial in selecting the right scope size to ensure comfort and effectiveness during use.
Rifle Setup: The configuration of the .308 rifle, including its weight and balance, can influence how a scope feels during shooting. A heavy scope on a lightweight rifle may alter its handling characteristics, so it’s essential to choose a scope that complements the rifle’s design.
How Do Objective Lens Sizes Affect the Clarity and Scope Functionality for a .308 Rifle?
The size of the objective lens plays a crucial role in determining the clarity and functionality of a scope for a .308 rifle.
- Small Objective Lens (30mm or less): Scopes with smaller objective lenses tend to be lighter and more compact, making them easier to handle and mount on the rifle.
- Medium Objective Lens (40mm to 50mm): This size range is often considered the sweet spot for versatility, offering a good balance between light transmission and size.
- Large Objective Lens (56mm or larger): Larger lenses provide superior light-gathering capabilities, significantly improving clarity in low-light conditions, but can add weight and bulk to the setup.
Small objective lenses, typically 30mm or less, are advantageous for users who prioritize weight and compactness. However, they may sacrifice some brightness and clarity at dawn or dusk, where light conditions are less than optimal.
Medium objective lenses, ranging from 40mm to 50mm, are often favored by many shooters as they provide a balanced performance. They allow for adequate light transmission while maintaining a manageable size, making them suitable for various shooting scenarios.
Large objective lenses of 56mm or more excel in low-light environments, enhancing visibility and detail, which is especially beneficial for hunting at dawn or dusk. However, the increased size and weight can affect the rifle’s handling and balance, making it essential to consider the intended use.
What Are the Expert Recommendations for the Best Scope Sizes for Various Shooting Scenarios with a .308?
A 4-12x50mm scope is recommended for shooters who prioritize long-range accuracy. The larger objective lens offers enhanced light transmission, which is crucial for early morning or late evening shooting, while the higher magnification allows for detailed target identification at greater distances.
For those interested in precision shooting, a 6-24x50mm scope is ideal. This scope provides extreme magnification, making it perfect for shooting at long distances, and the larger objective lens helps in low-light conditions, ensuring clarity and detail.
The 1-4x24mm scope is tailored for dynamic shooting environments, such as tactical scenarios or brush hunting. Its low magnification allows for quick target acquisition and a broader field of view, which is essential when engaging moving targets or operating in confined spaces.
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