Imagine hitting that perfect target, right where you aimed, at 400 yards. That’s a satisfying shot! But getting there often feels like a guessing game. Choosing the right scope for that distance can be tough. So many numbers, brands, and features crowd the market. Do you need more magnification? Which reticle works best? Many shooters feel lost trying to find the scope that truly performs at 400 yards without breaking the bank.
We understand that frustration. A poor scope choice means missed opportunities and wasted time at the range. You want clear glass and reliable tracking for consistent results at this specific range. This guide cuts through the confusion. We will break down exactly what makes a scope excellent for shooting at 400 yards.
By the end of this post, you will know the key specifications to look for. You will feel confident selecting a scope that matches your rifle and your budget. Get ready to stop guessing and start hitting your mark. Let’s dive into the best scope options for your 400-yard adventures!
Top Scope For 400 Yards Recommendations
- Specification: 3-9x40
- Magnification: 3-9x
- Objective Diameter: 1.57
- Exit pupil: 0.2
- Length: 12.20
- Adjustable Illuminated Setting: Green and red illuminations, 5-level brightness available, allow the hunter to use normally in any light conditions.
- Clearer View: Magnification: 3X to 9X. Objective lens: 40mm. Field of view: 13.41-40.38ft @ 100 yards. Equipped with the multi-layer coated lens, the 3-9x40 scope has 95% light transmittance, clearer than the single-coated lens.
- Accurate & Rapid Aiming: Capped reset turrets are finger adjustable with MOA clicks that can be reset to zero after sighting in. Windage & elevation click value: 1/4 MOA 1/4" @ 100yards, eye relief：2.95"-3.94".
- Convenient & Sturdy: The CVLIFE 3-9x40 rifle scope is made from high-strength aluminum alloy. Completely sealed and nitrogen-filled makes it fog and rainproof, working great in all weather conditions. The ocular is built with a dioptric adjustment lens that can provide nearsighted and farsighted users with a clear viewfinder image without the use of eyeglasses.
- Easy to Install: There are two 20mm mounts with the scope.
- Compact Rifle Scope: The Midten 3-9x40 scope is 7.87 inches, 10.75 oz lightweight scope with reduced bulk and balance between performance and portability. Comes with scope mounts for 20mm rail, cleaning cloth, lens cover, wrench, manual for user
- Mil-Dot Reticle ( MOA ) : The hunting scope has a large field of view (41'-16' @ 100 yds) and reticle with dots to increase aiming speed and accuracy. At the maximum magnification of 9x, the distance between the dots is 7.5 MOA
- Precision Locking Resettable Turrets: Features easily adjustable exposed locking turrets that offer audible and accurate 1/4 MOA clicks with the quick resettable to zero after sighting in. Max Windage/Elevation Adjustment: 70 MOA
- High-Definition Glass: The 3x9x40 scout scope uses high-definition, extra-low dispersion fully multi-layer coated lenses to reduce chromatic aberration. The ocular is built with dioptric adjustment lens, ±2 diopter adjustment for people with different vision
- Made of high-strength aluminum alloy for durability and shock resistance. O-ring sealed and nitrogen filled to provide waterproof and fogproof performance, ensuring reliable operation in various harsh environments
- BEST PERFORMANCE - The Buckmasters Rifle Scopes were inspired by Jackie Bushman to bring the performance of SIG SAUER Electro-Optics to a value that is within reach for every hunter; This scope for rifles available with various magnification options to bring freedom of choice
- BUCKMASTERS BDC RETICLE - This rifle scope comes equipped with a unique Buckmasters Bullet Drop Compensation (BDC) reticle, complete with holdover dots that extend up to a distance of 500 yards; Avid hunters know the upgraded game hunting comes with upgraded equipment
- GREAT CONSTRUCTION -The Buckmasters hunting rifle scope has extra durable construction with a single-piece, 1-inch main tube; For those who appreciate the convenience, it also features an integrated thread in the throw lever which allows for quick magnification changes
- WEATHER RESISTANT - Dependable waterproof, shockproof, and fogproof performance and high-performance optical system with low dispersion glass of the Buckmasters scope makes your hunting season non-stop whatever weather is on the way; See the target with a reliable magnification of 3-9X40mm
- SIG SAUER - In our world-class facilities, we build the toughest, most precise rifles, pistols, optics, suppressors, ammunition, airguns, holsters, and various accessories, while offering the finest guns training - all as a fully integrated system
- ✔【High-Performance Specifications】：The UUQ 3-9x40 rifle scope has a magnification range of 3-9x, length:12.2"（311mm）objective diameter:40mm;exit pupil diameter:75mm ~ 100mm;field of view:13.41-40.38@100yds; Windage and elevation click value:1/4 MOA 1/4"@100 yards. The rangefinder illuminated reticle provides fast and easy aiming points for various shooting distances.
- ✔【Full Multi-Coated Lenses】：The UUQ airsoft sniper rifle scope comes equipped with high-performance, multi-layered lenses with anti-reflective coatings on all air-to-glass surfaces, increasing light transmission. Full multi-coated glass provides superior light transmission compared to other glass.
- ✔【High-Quality Construction】：The UUQ rifle scope body is constructed with durable, aircraft-grade aluminum alloy, is shock-resistant, and suitable for hunting. The free-floating design of the rifle scope provides excellent waterproof and fog-proof performance with O-ring seals and nitrogen filling.
- ✔【Adjustable Diopter】：The adjustable diopter design allows users to make quick and precise adjustments according to their individual vision. This feature ensures that shooters can achieve a clear sight image at varying distances, enhancing shooting accuracy and comfort.
- ✔【Compatibility Mount】：It is equipped with two top-quality, 1-inch complementary rings, making it easy to install on any 20mm Picatinny or Weaver mounting rail.
- Optical scope with fiber optic sight for quick and accurate acquisition
- Glass etched reticle with tri-illuminations (green/red/ blue), 3 levels of brightness setting for each color allow shooters to find the brightness needed for lighting and weather different conditions
- Shock proof, recoil, fog resistance (nitrogen filled); aluminum alloy in black matte finish
- Magnification: 6-24X, Objective Diameter: 50mm, suitable for close to mid range or long range shooting.
- Rangefinder reticle with 5 levels of illuminations in green and red color,diopter adjustable fast focus eyepiece for people with different eyesight.
- AO adjustment:the adjustable objective (AO) lens can be moved by the parallax dial at the end of the scope.Etched Reticle on the Glass(EG) make sure the reticle won’t fall apart.
- Eavy duty scope ring mounts for .79(20mm) rail only.2x ring mounts,CR2032 battery and lens cover included
- Made of aerospace aluminum alloy, shockproof,waterpfoof,fog-proof,solid and durable.Hard anodizing multi-coated lenses ensure a good hand feeling and avoid scratching.
- ✔【Dual-Color Illumination and Flip-Up Lens Covers 】： The UUQ rifle scope has five brightness and magnification levels of 3x to 9x, providing clear long-range shooting with excellent optics. It also has handy flip-up lens covers that protect against debris and last a long time. These covers are easy to use and useful for outdoorsy types and hunters.
- ✔【Full Multi-Coated Lenses】：The UUQ airsoft sniper rifle scope comes equipped with high-performance, multi-layered lenses with anti-reflective coatings on all air-to-glass surfaces, increasing light transmission. Full multi-coated glass provides superior light transmission compared to other glass.
- ✔【High-Performance Specifications】：The UUQ 3-9x40 rifle scope has a magnification range of 3-9x, length:12.3"（312mm）objective diameter:40mm;exit pupil diameter:69.1mm ~ 85.09mm;field of view:13.41-40.38@100yds; Windage and elevation click value:1/4 MOA 1/4"@100 yards. The rangefinder illuminated reticle provides fast and easy aiming points for various shooting distances.
- ✔【High-Quality Construction】：The UUQ rifle scope body is constructed with durable, aircraft-grade aluminum alloy, is shock-resistant, and suitable for hunting. The free-floating design of the rifle scope provides excellent waterproof and fog-proof performance with O-ring seals and nitrogen filling.
- ✔【Adjustable Diopter and Compatibility Mount】：The UUQ 3-9x40 rifle scope has a lockable diopter for fast and easy aiming points at various shooting distances. It is equipped with two top-quality, 1-inch complementary rings, making it easy to install on any 20mm Picatinny or Weaver mounting rail.
Choosing the Right Scope for 400 Yards: A Buyer’s Guide
Hitting targets accurately at 400 yards requires a good rifle scope. This guide helps you pick the best one. We look at what matters most for this distance.
Key Features to Look For
Several features make a scope great for shooting at 400 yards. You need good magnification and clear glass. These things help you see the target well.
Magnification Power
For 400 yards, you need enough zoom. Most experts suggest a scope with at least 12x magnification. A variable power scope, like a 4-14x or 6-24x, gives you options. Lower power helps when you are moving. Higher power helps when you take the precise shot at 400 yards.
Objective Lens Diameter
The objective lens is the big lens at the front. A larger lens lets in more light. Look for scopes with a 40mm to 50mm objective lens. This keeps your view bright, even in low light conditions like dawn or dusk.
Reticle Type and Holdovers
The reticle is the crosshair inside the scope. For 400 yards, a simple duplex reticle might not be enough. You need a reticle with hash marks or turrets for bullet drop compensation. MOA (Minute of Angle) or MRAD (Milliradian) reticles are best. These help you adjust aim quickly for the distance.
Turret Adjustments (Clicks)
Turrets are the knobs on top and side of the scope. They let you adjust for wind and bullet drop. Look for scopes with “tactical” or “exposed” turrets. They should click clearly when you turn them. Make sure the clicks are precise so your adjustments are accurate.
Important Materials and Build Quality
The scope must be tough. It needs to handle recoil and weather.
Tube Construction
Most good scopes use aluminum alloy tubes. These tubes are strong but light. A 30mm main tube is often better than a 1-inch tube. Larger tubes usually allow for more internal adjustment range, which is good for long shots.
Lens Coatings
Lens coatings are thin layers on the glass. They reduce glare and increase light transmission. Look for terms like “Fully Multi-Coated” (FMC). Good coatings make the image sharper and brighter.
Durability and Weatherproofing
Your scope must survive the outdoors. Good scopes are nitrogen or argon purged. This stops the inside lenses from fogging up when temperatures change fast. They should also be shockproof to handle the rifle’s kick.
Factors That Improve or Reduce Quality
Not all scopes perform the same, even with similar specs.
Factors That Improve Quality
- Glass Quality: High-quality glass (like ED or Fluorite glass) offers superior clarity and color.
- Precise Tracking: When you turn the turrets, the point of impact must move exactly as expected. This is called tracking.
- Eye Relief: This is the safe distance between your eye and the eyepiece. Good eye relief prevents “scope bite” when shooting powerful rifles.
Factors That Reduce Quality
- Parallax Error: If the scope has parallax issues, the crosshair seems to move when you shift your eye. Scopes with adjustable parallax adjustment are better.
- Poor Seals: If seals fail, water and dust get inside, ruining the view.
- Soft Turrets: Turrets that feel mushy or don’t click firmly lead to inaccurate adjustments.
User Experience and Use Cases
How you plan to use the scope matters for your final choice.
Hunting vs. Target Shooting
If you are hunting medium to large game at 400 yards, you might need a slightly lighter scope with good low-light performance. If you are strictly target shooting (like on a range), you can choose a heavier, more feature-rich tactical scope with very precise turrets.
Ease of Use
A scope with a simple, easy-to-read reticle is faster to use under pressure. While complex Christmas tree reticles offer many adjustments, they can be slow to read if you are new to them. Practice helps you use any reticle well.
10 Frequently Asked Questions (FAQ) for Scopes at 400 Yards
Q: What is the minimum magnification I need for 400 yards?
A: You should aim for a scope that goes up to at least 12x magnification. Higher magnification, like 16x or 20x, offers better precision at that range.
Q: Should I choose MOA or MRAD adjustments?
A: It depends on the scope and your preference. If your scope turrets are in MOA, use an MOA reticle. If they are in MRAD, use an MRAD reticle. Consistency is key.
Q: Is a first focal plane (FFP) or second focal plane (SFP) better?
A: FFP scopes keep the reticle size correct at all magnifications, which is great for holdovers. SFP scopes are often cheaper, but the holdover marks only work at one specific magnification setting.
Q: What is “eye relief” and why does it matter for 400 yards?
A: Eye relief is the distance your eye must be from the scope to see the full picture. Powerful rifles kick hard, so longer eye relief (3.5 inches or more) protects your face from getting hit.
Q: Do I need an illuminated reticle?
A: An illuminated reticle helps the crosshairs stand out against dark targets or in low light. It is very useful, especially if you hunt early or late in the day.
Q: How does the objective lens size affect the scope at 400 yards?
A: A larger objective lens (like 50mm) gathers more light, making the image brighter. This helps you see the target detail better at longer distances when light might be fading.
Q: What is “shockproof” testing?
A: Shockproof testing means the scope survives repeated recoil from powerful firearms without breaking internally or losing zero (meaning it still shoots where you aim).
Q: How often should I clean my scope lenses?
A: Clean your lenses only when necessary using a soft lens brush and specialized lens wipes. Over-cleaning can scratch the coatings.
Q: What is “zero stop” on a turret?
A: A zero stop feature lets you quickly return your elevation turret back to your original 100 or 200-yard zero point easily, even after dialing for long range.
Q: Is a scope with adjustable parallax better than one without?
A: Yes. Adjustable parallax eliminates aiming errors caused by your eye position. For precise shots at 400 yards, adjustable parallax is highly recommended.