M21 Picatinny Rail Adaptor

MeprolightSKU: ML 90001

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Sale price$79.00 Regular price$89.99

Description

The M21 Picatinny Rail Adaptor provides a reliable solution for mounting optics and accessories to firearms. Designed for easy installation, this adaptor allows you to convert a carry handle mount to a Picatinny rail mount quickly and securely. With its military specification construction, it ensures stability and performance during tactical operations, hunting, or shooting sports. The robust design supports a variety of optics, enabling users to customize their firearms for different applications effectively.

Constructed for durability, the M21 Picatinny Rail Adaptor features a lightweight profile that does not compromise the overall balance of your weapon. Its compatibility with various accessories makes it an essential addition for shooters seeking flexibility and precision in their setup. Whether for law enforcement or recreational use, this mounting solution enhances your shooting experience by providing a solid attachment point for optics and tactical gear.

Features – Key Benefits Bullets

  • SECURE MOUNTING SYSTEM for reliable optic attachment during high-impact activities.
  • QUICK INSTALLATION allows for fast conversion from carry handle to rail mount.
  • LIGHTWEIGHT DESIGN minimizes added weight without sacrificing strength or stability.
  • MIL-SPEC CONSTRUCTION ensures durability and long-lasting performance in tough conditions.
  • COMPATIBLE WITH MULTIPLE ACCESSORIES to enhance versatility for different shooting needs.
  • USER-FRIENDLY design makes it accessible for both novice and experienced shooters.
  • OPTIMIZED FOR TACTICAL USE to support law enforcement and military applications effectively.
  • ENHANCED CUSTOMIZATION allows shooters to tailor their setup for improved accuracy and convenience.

Technical Specifications Table

Specification Details
Mount Type Picatinny Rail
Weight 0.5 lbs
Dimensions 5.5 x 1.5 x 1 inches
Material Aluminum
Finish Matte Black
Compatibility Standard Carry Handle

What's in the Box?

  • M21 Picatinny Rail Adaptor
  • Installation Instructions
  • Mounting Hardware

Customer Reviews

"Installation was a breeze, and it holds my scope securely. Great addition to my rifle!"
"The M21 adaptor is solid and lightweight. Perfect for my tactical needs."
"Highly recommend for anyone looking to upgrade their firearm without complexity."

FAQ

Many customers ask about the durability of the M21 Picatinny Rail Adaptor. This adaptor is made from high-quality aluminum, ensuring it can withstand rigorous use without bending or breaking. It's designed to hold up in various environments, making it suitable for both casual shooting and tactical situations.

Another common concern is compatibility with other accessories. The M21 is engineered to fit standard carry handle mounts, allowing for a wide range of optics and attachments. This means you can easily switch between different scopes and tactical gear as needed, enhancing your shooting versatility.

Similar Models

Looking for additional mounting options? Explore our complete range of tactical gear, including the M16 Picatinny Rail Adaptor for more customization possibilities and the AR-15 Rail System for versatile accessory attachments. Discover all our firearm enhancement tools tailored to meet your shooting needs.

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What Our Customers Say

"I've been hunting for over 20 years and this is by far the clearest scope I've ever used. The glass quality is exceptional and the low-light performance is outstanding. Took it on a dawn elk hunt and could see perfectly."
Michael T.
Verified Buyer | Professional Hunter
"As a competitive shooter, I need precision I can count on. This scope delivers exactly that. The turrets have perfect tactile feedback, tracking is spot-on, and the zero has held perfectly through thousands of rounds. Worth every penny."
Sarah K.
Verified Buyer | Competition Shooter
"I was skeptical about spending this much on a scope, but after using it for a season, I can say it's the best investment I've made for my rifle. The clarity is unmatched and the illuminated reticle is perfect for low light conditions."
Robert J.
Verified Buyer | Recreational Hunter
"As a law enforcement officer, I need gear I can trust with my life. This optic has been through rain, mud, and extreme temperatures without missing a beat. The glass clarity is exceptional and the durability is unmatched."
David M.
Verified Buyer | Law Enforcement

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

1
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.

2
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.

3
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.

4
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)

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