Description
The Trijicon ACOG 3.5x35 Riflescope with TA51 Mount Dual Red Chevron M193 Reticle TA11-D-100291 is a high-performance optical sight designed for precision shooting and tactical applications. This rugged and reliable scope combines advanced optics with a dual-illuminated reticle, providing shooters with a clear sight picture in any lighting condition. The 3.5x magnification offers an ideal balance between close-quarter engagement and medium-range target acquisition.
Engineered for durability, this ACOG (Advanced Combat Optical Gunsight) features a forged 7075-T6 aircraft-aluminum housing that can withstand the harshest environments. The scope's innovative fiber optic and tritium illumination system automatically adjusts the reticle brightness based on ambient light conditions, ensuring optimal visibility without the need for batteries.
The TA11-D-100291 model is specifically calibrated for the M193 5.56mm round, featuring a ballistic drop compensator (BDC) reticle that allows for quick and accurate target engagement at various distances. The included TA51 mount provides a secure and stable platform for attaching the scope to standard Picatinny rails, making it compatible with a wide range of firearms.
Ideal For: Military personnel, law enforcement officers, competitive shooters, and civilian enthusiasts seeking a battle-proven optic for their AR-15 or similar platforms.
Features:
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DUAL ILLUMINATION SYSTEM: Utilizes fiber optics for daylight illumination and tritium for low-light conditions, ensuring a visible aiming point without batteries[5].
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RUGGED CONSTRUCTION: Forged 7075-T6 aircraft-aluminum housing provides exceptional durability and waterproof performance up to 100 meters.
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ADVANCED OPTICS: Multi-coated lenses deliver superior light transmission and clarity, with a 35mm objective lens for enhanced light gathering capabilities.
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BALLISTIC RETICLE: Red Chevron M193 reticle offers precise aiming points for various distances, calibrated specifically for the 5.56mm M193 round.
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QUICK TARGET ACQUISITION: 3.5x magnification and 28.9ft field of view at 100 yards allow for rapid target engagement in both close-quarters and medium-range scenarios.
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NO PARALLAX: Fixed parallax setting eliminates the need for adjustments, simplifying use in high-stress situations.
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VERSATILE MOUNTING: Includes the TA51 mount for secure attachment to standard Picatinny rails, ensuring compatibility with various firearm platforms.
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COMPACT DESIGN: 8-inch overall length and 14 oz weight (without mount) make it suitable for a wide range of applications without significantly impacting weapon balance.
Specifications:
| Specification | Detail |
|---|---|
| Model | TA11-D-100291 |
| Magnification | 3.5x |
| Objective Lens Diameter | 35mm |
| Reticle | Red Chevron M193 Ballistic Drop |
| Illumination | Fiber Optic & Tritium |
| Length | 8 inches |
| Weight (w/o mount) | 14 oz |
| Eye Relief | 2.39 inches |
| Field of View | 28.9 ft @ 100 yds |
| Exit Pupil | 10.3 - 3.7 mm |
| Housing Material | 7075-T6 Aluminum |
| Waterproof | Up to 100 meters |
| Mount | TA51 included |
| Adjustment Click Value | 3 clicks per inch |
| Finish | Black |
| UPC | 719307306851 |
| MPN | 100291 |
What's Included:
- Trijicon ACOG 3.5x35 Riflescope
- TA51 Mount
- Lens Covers
- User Manual
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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)