Firefield Riflescope 2.5 Red Laser User Manual | Installation

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Introduction of Firefield Riflescope 2.5 Red Laser

The Firefield Riflescope 2.5 Red Laser is a versatile and reliable optical sighting device designed for use with hunting rifles and other firearms. This scope offers a 2.5x magnification and a 35mm objective lens, providing a clear and bright sight picture even in low-light conditions. The Firefield Riflescope 2.5 Red Laser features a red laser sight that can be adjusted for windage and elevation, making it easy to accurately aim your firearm at your target. With an estimated price of around $150, this riflescope is an affordable option for hunters and recreational shooters. The Firefield Riflescope 2.5 Red Laser is currently available for purchase from a variety of online retailers.

Specifications

  • Reticle Type: Mil-dot IR

  • Reticle Color: Green / red

  • Magnification: 2.5-10x

  • Objective Lens Diameter: 40mm

  • Exit Pupil Diameter: 13.3-4.4mm

  • Eye Relief: 69-50mm

  • Field of View (@100 yd): 34.86-11.53 ft

  • Diopter Adjustment: +3 to -3

  • MOA Adjustment (one click): 1/4

  • Battery Type (Reticle/Laser): CR2032/ 2x AG13

  • Battery Life: 80-150hr (reticle), 5hr (laser)

  • Lens Coating: Multi-coated

  • Waterproof: Yes

  • Shockproof: Yes

  • Dimensions: 215mm x 88mm x 80mm

  • Weight: 26.4oz

Features

  • 2.5-10x magnification
  • Green / red illuminator mil-dot reticle
  • Bullet drop compensator
  • Built-in red laser
  • Multi-coated optics
  • Waterproof, shockproof

Firefield Riflescope 2.5 Red Laser Diagram

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  1. Objective Lens
  2. Windage / Elevation Adjustments
  3. 223 Bullet-Drop Compensator
  4. Magnification Ring
  5. Diopter Adjustment
  6. Red Laser on/off Switch
  7. Reticle Illumination Adjustment
  8. Red Laser Windage/Elevation Adjustments
  9. Weaver Mount
  10. Mil-Dot Reticle

Firefield Riflescope 2.5 Red Laser Installation

During riflescope installation it is important to strictly follow gun safety rules. The Firefield 2.5-10x40 Riflescope with Red Laser comes with a built in weaver mount base. In order to install:

  1. Loosen the mounting screws on the weaver mount (9) with a flat head screw driver.
  2. Mount the scope on the rifle’s weaver base assuring the riflescope is mounted evenly and the mounting bolt is located in the groove of the weaver base. 
  3. Tighten the mounting screws on the weaver mount with a flat head screw driver. Do not over tighten. Check that the riflescope is mounted evenly and securely on the rifle.
  4. Finalize the installation procedure by checking that the scope is mounted with proper eye relief. 

Warning: Having the riflescope mounted too close to the rear can injure the shooter during firing. Ensure the riflescope is properly mounted before firing to prevent injury. 

BORESIGHTING THE RIFLESCOPE
Boresighting and test firing should be performed safely on a firing range. Laser boresights are a quick and accurate method to sight in riflescopes. Below is listed the traditional method of boresighting.

  1. When mounting the riflescope on a bolt action rifle, remove the bolt; or when mounting to a semi automatic rifle, disassemble the rifle until there is a straight line of sight through the bore. 
  2. Use a target at least 20 yards to 50 yards away when sighting in the riflescope. Look through the bore of the weapon and locate the bullseye of the target.
  3. Sight in the target through the bore and then make windage and elevation adjustments (see “Operating Windage and Elevation Adjustments” for instructions) to the riflescope until the reticle is centered on the bullseye. To verify the riflescope is accurately sighted in, always fire a three-shot test group at 100 yards.
  4. If you are still not centered, make the necessary amount of adjustments to move the reticle to the center of the target.
  5. Again fire a three-shot test group, and use the center of the group to determine final adjustments. 

Diopter Adjustment
The diopter is the measurement of the eye’s curvature. Firefield 2.5-10x40 with Red Laser Riflescope has a diopter adjustment (5) that helps attain a clear sharp reticle. If the reticle does not appear clear, crisp, or sharp, rotate the diopter adjustment ring until the reticle becomes clear and sharp. The adjustment should stay the same unless the riflescope’s operator changes.

OPERATING WINDAGE AND ELEVATION ADJUSTMENTS

In order to make windage and elevation adjustments (2), remove the adjustment covers. The elevation adjustment cover is located on top of the bullet drop compensation dial (3). The windage and elevation adjustments are 1/4 MOA, meaning that 1 click moves the point of impact 1/4 inch at 100 yards.  Adjustments can be both felt and heard, allowing the shooter to make adjustments without looking at the dials. Note: When sighting in the riflescope, make adjustments without rotating the bullet drop compensation dial, hold the dial in place while adjusting the elevation. For the bullet drop compensator to work effectively, the dial must be set to 1 when sighting in the riflescope at 100 yards. 

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MAGNIFICATION ADJUSTMENT

The Firefield 2.5-10x40 Riflescope with Red Laser comes equipped with variable magnification options. By rotating the magnification ring (4) to the desired setting, shooters can find a magnification that is appropriate for their shooting scenario. Note: Do not loosen the screw located on the magnification ring, doing so will cause problems with the variable magnification function.

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MIL-DOT RETICLE

The Firefield 2.5-10x40 Riflescope with Red Laser uses a US Army Mil Dot reticle. Mil stands for millradian.  A millradian is 1/6283.2th of a circle or 3.438 MOA. The millradian represents one unit at 1000 yards. To simplify, a target that is one yard tall at 1000 yards would measure 1 milradian.

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CALCULATION METHOD
In order to determine distance there are three variables: target size, mils read, and range. In order to determine distance, the target size must be known. By using the reticle, mils read can be determined and the following calculation can be used to derive an estimated distance. Note: Determining mils read must be made at 10x magnification power.   

Target size (in yards) x 1000/Mils read = yards to target
For example, a full size deer is approximately six feet long. Convert feet into yards, so the deer is 2 yards long. Now measure the deer with the mil-dot reticle; it is 4 mils long. Next, multiply the target size (2 yards) by the constant of 1000. This equals 2000. Now divide 2000 by mils read (4), this equals 500. So the deer is roughly 500 yards away. Finally adjust the riflescope’s Bullet Drop Compensator dial to the appropriate setting for an accurate shot. 

BULLET DROP COMPENSATOR

The bullet drop compensation dial (3) allows for quick adjustments of the reticle for shooting targets at specific distances. This compensator was designed for a .223 caliber 55 grain bullet. The bullet drop compensation dial has distances of 1 (100yds), 2 (200yds), 3 (300yds), 4 (400yds) and 5 (500yds) marked directly on the dial. By using the mil-dot reticle to determine the distance, the bullet drop compensation dial is adjusted to that distance to acquire an accurate shot. Note: To work effectively, the dial must be set to 1 when sighting in the riflescope at 100 yards.  
OPERATING THE ILLUMINATED RETICLE

The Firefield 2.5-10x40 Riflescope with Red Laser features an illuminated reticle. Illuminating the reticle improves visual distinction between the target and the reticle in low / poor lighting conditions. The reticle can be used in the following states: black (off), red or green. Red and green illumination consists of five levels of brightness. 

In order to illuminate the reticle:

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  1. Rotate the reticle illumination adjustment (7) located on the left side of the riflescope
  2. Turn the adjustment dial to the desired brightness level until the reticle stands out against the target.

Note: Settings 1-3 are intended for use in low lighting conditions. Settings 4 and 5 are intended for use in bright conditions. 

OPERATING THE SIDE-MOUNTED LASER
The built-in 5mW red laser is used for target acquisition in close range, rapidly changing environments. The laser has built-in windage and elevation adjustments (8) that allow the laser to be accurately sighted in with your rifle. 

To operate the laser:

  1. Located the red laser on/off switch (6).
  2. Push the button located on the back of the switch to turn the laser on.
  3. Push the button again to turn the laser off. 

Warning: Never point the laser designator directly at, or into someone’s eye. This may cause damage to the eye, or blindness. Avoid looking directly into the laser. Avoid shining the laser into mirrors or other reflective surfaces.

Note: Due to visual restrictions of 5mW red laser at greater distances in daylight, the most effective application is for close range/CQB scenarios. Shooters should evaluate the recurrent firing range in their scenarios and sight the laser to their firearm’s point of impact at the range.

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Description

The Firefield Riflescope 2.5 Red Laser features a durable and lightweight construction, weighing in at just 12 ounces. The scope is made from high-quality aluminum and is nitrogen-purged, making it waterproof and fogproof. The 2.5x magnification provides a clear and bright sight picture, while the 35mm objective lens allows for a wide field of view. The red laser sight has a brightness adjustment knob, allowing you to customize the intensity of the laser to suit your needs. The scope is also equipped with a quick-detach mount, making it easy to attach and remove from your firearm.

Replacing the Battery

ILLUMINATED RETICLE
If the reticle appears dim or fails to illuminate, the battery needs to be replaced. The Firefield 2.5-10x40 Riflescope with Red Laser uses a CR2032 to illuminate its reticle. 3 volt CR2032 batteries can be purchased at stores where batteries are sold or online. In order to replace the battery:

  1. Remove the battery cap located on the reticle illumination adjustment (7) with a flat head screw driver. Rotate the cap counterclockwise until it is removed. It might be necessary to hold the illumination adjustment in place to prevent it from rotating.
  2. Remove the old battery and insert a new battery with positive (+) side up.
  3. Replace the battery cap. Use a flat head screw driver, rotate the cap clockwise until it is attached. It might be necessary to hold the illumination adjustment in place to prevent it from rotating. 
  4. Check that the reticle illumination is now functioning properly. 

5mW RED LASER
If the laser appears dim or fails to operate, the battery needs to be replaced. The Riflescope with Red Laser uses 2 AG13 (LR44) batteries. These button cell batteries can be purchased in stores where batteries are sold or online. In order to replace the battery:

  1. Grip the laser on/off switch (6) and rotate the on/off switch counterclockwise until it is removed.
  2. Remove the old batteries and insert a new battery with positive (+) side up on both batteries.
  3. Replace the on/ off switch and rotate clockwise until it is attached. Check to make sure laser is functioning. 

Setup Guide

To set up the Firefield Riflescope 2.5 Red Laser, start by attaching it to your firearm using the quick-detach mount. Next, adjust the windage and elevation dials to zero in the scope. To do this, fire a few shots at a target and adjust the dials until the bullets are hitting the center of the target. Then, adjust the red laser sight to align with the scope's reticle. To do this, look through the scope and adjust the laser until it is aligned with the reticle. Finally, adjust the brightness of the laser to suit your needs and you're ready to go.

Firefield Riflescope 2.5 Red Laser Maintenance

Proper maintenance of the riflescope is recommended to ensure longevity. It is recommended that when the riflescope becomes dirty that it is wiped down with a dry or slightly damp cloth. Blow dirt and debris off all optics and then clean lenses with a lens cleaning cloth. No further maintenance is required.  
WARNING: Never allow children to use or handle this product. The Firefield riflescopes are nitrogen purged and o-ring sealed unless otherwise noted. DO NOT disassemble the riflescope for any reason as this will void the warranty and could be hazardous. Any internal work should be handled by the manufacturer. Any tampering with the purge screw will void the warranty. 

CAUTION: Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.    

Troubleshooting

Never ship back a riflescope without getting proper authorization beforehand. Doing so could result in losing the riflescope due to a multitude of reasons. If problems occur with your riflescope:

  1. Check the firearm’s mount and verify that it is securely attached to the rifle. If there is any shifting, retighten the mounting system.
  2. When test firing a rifle, check the point of impact relative to windage and elevation adjustments.
  3. Be sure to use factory-loaded ammunition of the same bullet type, weight, and preferably lot number when sighting.

Warranty

For warranty details and information. To view this manual in other languages visit https://firefield.com/ 

Pros & Cons about Firefield Riflescope 2.5 Red Laser

Pros

  • Durable and lightweight construction
  • 2.5x magnification for a clear and bright sight picture
  • Red laser sight for accurate aiming
  • Quick-detach mount for easy attachment and removal
  • Affordable price

Cons

  • May not hold zero if the mount is not securely attached
  • Laser may not align properly if not adjusted correctly
  • May fog up or leak if not properly sealed

Faqs

How do I install the Firefield Riflescope 2.5 Red Laser on my firearm?

Mount the Firefield Riflescope 2.5 Red Laser using the provided rings on a standard Picatinny or Weaver rail. Ensure the scope is securely fastened and properly aligned with your firearm for optimal accuracy.

What is the initial setup process for the Firefield Riflescope 2.5 Red Laser?

After mounting, ensure the Firefield Riflescope 2.5 Red Laser is leveled, adjust the focus for clarity, and initially zero the scope at a known distance, typically 100 yards, using the adjustment knobs for windage and elevation.

How do I activate the red laser on the Firefield Riflescope 2.5 Red Laser?

Firefield Riflescope 2.5 Red Laser can be activated using a switch located on the side of the riflescope. Ensure the batteries are installed correctly for operation.

What type of battery does the Firefield Riflescope 2.5 Red Laser and laser require, and how do I replace them?

Firefield Riflescope 2.5 Red Laser typically requires CR2032 batteries for the reticle illumination and AG13 batteries for the laser. Replace the batteries by unscrewing the battery compartment caps and inserting new batteries with the correct polarity.

How can I ensure the best accuracy with my Firefield Riflescope 2.5 Red Laser?

Regularly check and adjust the zero of the Firefield Riflescope 2.5 Red Laser , maintain a consistent shooting position, and practice good marksmanship techniques.

What maintenance is required for the Firefield Riflescope 2.5 Red Laser?

Regularly clean the lens with a soft, lint-free cloth and lens cleaning solution. Firefield Riflescope 2.5 Red Laser tighten any loose screws and periodically check the alignment and zero.

Can the Firefield Riflescope 2.5 Red Laser be used in all weather conditions?

Firefield Riflescope 2.5 Red Laser is designed to be weather-resistant. However, it is advisable to avoid extreme conditions that could affect performance or cause damage.

How do I clean the optics on my Firefield Riflescope 2.5 Red Laser?

Use a proper optical lens cleaner and a Firefield Riflescope 2.5 Red Laser cloth to gently wipe the surface of the lens. Avoid touching the lens with your fingers.

What should I do if the reticle on the Firefield Riflescope 2.5 Red Laser becomes misaligned?

If the Firefield Riflescope 2.5 Red Laser becomes misaligned, you may need to re-zero the riflescope. Use the windage and elevation adjustments to align the reticle with your point of impact at a known distance.

What is the field of view for the Firefield Riflescope 2.5 Red Laser?

Firefield Riflescope 2.5 Red Laser of view at 100 yards is approximately 34.86 feet, providing a wide visual range for target acquisition.

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