Description
The Kahles K318i 3.5-18x50 CCW MSR Right-Side Windage Riflescope 10631 is a high-performance optical instrument designed for precision shooting and long-range accuracy. This ultrashort riflescope combines optical excellence with mechanical perfection in a compact design. It features a precise illuminated reticle in the first focal plane, ensuring sharp definition throughout the entire magnification range.
The K318i boasts Kahles' innovative TWIST GUARD windage system, which prevents accidental adjustments while allowing quick and easy manipulation. The parallax wheel is integrated into the elevation turret, providing ergonomic handling for both right and left-handed shooters. With its counter-clockwise (CCW) turret rotation and right-side windage placement, this model is optimized for right-handed users.
This riflescope offers exceptional versatility with its 3.5-18x magnification range and 50mm objective lens. The MSR reticle provides a clean and functional aiming solution for various shooting disciplines. Built to withstand harsh conditions, the K318i delivers reliable performance and precise repeat accuracy in any environment.
Ideal For: Long-range precision shooting, tactical applications, competitive shooting sports, and hunting in challenging conditions.
Features:
- OPTICAL EXCELLENCE: Superior image quality with high contrast and clarity across the entire magnification range, enhancing target acquisition and accuracy.
- COMPACT DESIGN: Ultrashort and lightweight construction provides improved maneuverability and balance on your firearm, without compromising on performance.
- FIRST FOCAL PLANE RETICLE: Illuminated MSR reticle in the first focal plane maintains accurate subtensions at all magnifications, enabling precise holdovers and rangefinding.
- TWIST GUARD WINDAGE: Patented system prevents accidental adjustments while allowing quick and easy manipulation, ensuring your zero stays intact in the field.
- INTEGRATED PARALLAX ADJUSTMENT: Parallax wheel incorporated into the elevation turret for ergonomic handling and simplified operation for both right and left-handed shooters.
- PRECISE CLICK MECHANISM: Clearly defined and reliable click adjustments for accurate and repeatable zeroing and on-the-fly corrections.
- DURABLE CONSTRUCTION: Built to withstand harsh environments and recoil, ensuring consistent performance in any shooting situation.
- VERSATILE MAGNIFICATION: 3.5-18x zoom range suitable for various shooting distances and scenarios, from close-range engagements to long-range precision.
Specifications:
| Feature | Specification |
|---|---|
| Magnification | 3.5-18x |
| Objective Lens Diameter | 50mm |
| Tube Diameter | 34mm |
| Reticle | MSR (Illuminated) |
| Focal Plane | First |
| Turret Rotation | Counter-Clockwise (CCW) |
| Windage Placement | Right Side |
| Eye Relief | 92mm |
| Field of View | 9.3 - 2.0 m/100m |
| Length | 313mm |
| Weight | 940g |
| Parallax Adjustment | 25m to infinity |
| Illumination | Yes |
| Warranty | 10 years |
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Optics Knowledge Center
Understanding Rifle Scope Basics
Magnification
Magnification refers to how much larger an object appears through the scope compared to the naked eye. Fixed power scopes have one magnification setting, while variable power scopes offer a range (e.g., 3-9x).
Objective Lens
The objective lens is the front lens that gathers light. Larger objective lenses (measured in mm) gather more light, providing brighter images in low-light conditions but add weight and require higher mounting.
Reticle
The reticle (crosshair) is the aiming point inside the scope. Modern scopes offer various reticle designs, from simple duplex crosshairs to complex ballistic reticles with holdover points for different distances.
Adjustments
Rifle scopes have turrets for windage (horizontal) and elevation (vertical) adjustments. These are measured in MOA (minutes of angle) or MRAD (milliradians) and allow precise aiming adjustments.
Proper Scope Mounting Guide
Select the Right Rings & Base
Choose rings that match your scope's tube diameter (typically 1", 30mm, or 34mm). Select a base compatible with your rifle's receiver. For heavy-recoiling rifles, opt for stronger mounts.
Install the Base
Clean the receiver and base thoroughly. Apply a small amount of blue Loctite to the screws. Attach the base to the receiver and torque the screws to manufacturer specifications.
Attach the Rings
Attach the bottom halves of the rings to the base. Place the scope in the rings and loosely attach the top halves. Don't fully tighten yet.
Set Eye Relief & Level
Position the scope for proper eye relief (3-4 inches) in your normal shooting position. Ensure the reticle is level using a scope leveling tool. Once positioned correctly, tighten the rings evenly in a cross-pattern.
Scope Zeroing Tips
Start Close
Begin zeroing at a shorter distance (25-50 yards) to ensure you're on paper before moving to your desired zero distance (typically 100 yards).
Use a Stable Rest
Always zero your rifle from a stable shooting position using a bench rest, sandbags, or a shooting rest to eliminate as much human error as possible.
Fire Groups
Fire 3-shot groups before making adjustments. This provides a more accurate representation of where your rifle is shooting than single shots.
Make Deliberate Adjustments
Know your scope's adjustment values (typically 1/4 MOA per click). If your group is 2 inches low at 100 yards, you'll need to adjust up 8 clicks (for a 1/4 MOA scope).
Confirm Your Zero
After making adjustments, fire another group to confirm your zero. Repeat the process until your point of impact matches your point of aim.
Document Your Settings
Once zeroed, record your settings including distance, ammunition used, and environmental conditions for future reference.
Optics Maintenance & Care
Cleaning Lenses
- Start by blowing or brushing away loose particles
- Use a lens pen or microfiber cloth for fingerprints
- For stubborn dirt, use lens cleaning solution (never household cleaners)
- Clean with gentle circular motions from center outward
Protecting Your Optics
- Always use lens caps when not in use
- Store in a dry place with silica gel packets
- Avoid extreme temperature changes
- Use a quality scope cover in harsh conditions
Regular Maintenance
- Check and tighten mount screws periodically
- Inspect O-rings and seals for damage
- Verify zero after rough handling
- Clean the exterior with a damp cloth
What to Avoid
- Never use fingers to touch lenses
- Avoid paper products (tissues, paper towels) on lenses
- Don't use acetone, alcohol, or household cleaners
- Never disassemble your scope (voids warranty)