great lakes firearms logo
  • Shop
  • About
  • Services
    • Engraved Guns
    • Light Gunsmithing
    • Ultrasonic Gun Cleaning
  • Contact
$0.00 0 Cart
  • Ammo
    • Handgun Ammunition
    • Rifle Ammunition
    • Rimfire Ammunition
    • Shotgun Shells
  • Guns
    • Combination Guns
    • Derringers
  • Handguns
    • Semi Auto Handguns
    • Single Shot Handguns
    • Revolvers
    • Other Handguns
  • Magazines
    • AR Magazines
    • AK Magazines
    • Handgun Magazines
    • Rifle Magazines
    • Shotgun Magazines
  • Optics
    • Binoculars
    • Gun Scopes
    • Gun Sights
    • Laser Sights
    • Night Vision
    • Range Finders
    • Red Dots Sights
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Rifles
    • AR Rifles
    • AK Rifles
    • Bolt Action Rifles
    • Lever Action Rifles
    • Pump Action Rifles
    • Semi Auto Rifles
    • Single Shot Rifles
    • Other Rifles
  • Parts
    • AR Lower Parts
    • AR Lower Parts Kits
    • AR Upper Parts
    • AR15 Parts
    • Class 3 Parts & Accessories
    • Glock Parts
    • Gun Parts
    • Gun Parts Kits
    • Handgun Parts
    • Other AR15 Accessories & Parts
  • Shotguns
    • Bolt Action Shotguns
    • Lever Action Shotguns
    • Over Under Shotguns
    • Pump Action Shotguns
    • Semi Auto Shotguns
    • Single Shot Shotguns
    • Side By Side Shotguns
    • Other Shotguns
  • Scopes
    • Scope Accessories & Scope Parts
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Pre-Owned
great lakes firearms logo
  • Ammo
    • Handgun Ammunition
    • Rifle Ammunition
    • Rimfire Ammunition
    • Shotgun Shells
  • Guns
    • Combination Guns
    • Derringers
  • Handguns
    • Semi Auto Handguns
    • Single Shot Handguns
    • Revolvers
    • Other Handguns
  • Magazines
    • AR Magazines
    • AK Magazines
    • Handgun Magazines
    • Rifle Magazines
    • Shotgun Magazines
  • Optics
    • Binoculars
    • Gun Scopes
    • Gun Sights
    • Laser Sights
    • Night Vision
    • Range Finders
    • Red Dots Sights
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Rifles
    • AR Rifles
    • AK Rifles
    • Bolt Action Rifles
    • Lever Action Rifles
    • Pump Action Rifles
    • Semi Auto Rifles
    • Single Shot Rifles
    • Other Rifles
  • Parts
    • AR Lower Parts
    • AR Lower Parts Kits
    • AR Upper Parts
    • AR15 Parts
    • Class 3 Parts & Accessories
    • Glock Parts
    • Gun Parts
    • Gun Parts Kits
    • Handgun Parts
    • Other AR15 Accessories & Parts
  • Shotguns
    • Bolt Action Shotguns
    • Lever Action Shotguns
    • Over Under Shotguns
    • Pump Action Shotguns
    • Semi Auto Shotguns
    • Single Shot Shotguns
    • Side By Side Shotguns
    • Other Shotguns
  • Scopes
    • Scope Accessories & Scope Parts
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Pre-Owned
$0.00 0 Cart
Click to enlarge
Home Scopes, Sights & Optics Red Dots Sights MEPROLIGHT DAY/NIGHT REFLEX – SIGHT W/DUST COVER TRIANGLE
Federal American Eagle Rifle Ammunition 5.7x28mm FN 40 gr FMJ 1655 fps 500/ct
Federal American Eagle Rifle Ammunition 5.7x28mm FN 40 gr FMJ 1655 fps 500/ct $256.00
Back to products
TRIJICON MAGNIFIER 3X ADJ QD FLIP MOUNT
TRIJICON MAGNIFIER 3X ADJ QD FLIP MOUNT $410.00

MEPROLIGHT DAY/NIGHT REFLEX – SIGHT W/DUST COVER TRIANGLE

$429.99

MEPROLIGHT DAY/NIGHT REFLEX – SIGHT W/DUST COVER TRIANGLE

2 in stock

Purchase & earn 430 points!
Compare
Add to wishlist
SKU: ZND|MEPROM21T Category: Red Dots Sights
Share:
  • Description
  • Additional information
  • Reviews (0)
  • Shipping & Delivery
Description

FEATURES:
-Day/Night reflex sight
-Triangle reticle
-No batteries or switches
-Self-illuminated
-30mm diameter lens
-Designed to work in tandem w/ a magnifying scope
-Included dust cover

PRODUCT SPECIFICATIONS:

Dimension     4.00 X 5.60 X 5.75
Height     4.0000
Width     5.6000
Length     5.7500
TYPE/COLOR     DAY/NIGHT REFLEX
SIZE/FINISH     30MM LENS MATTE BLACK/GREY
MATERIAL     STEEL/GLASS TRIANGLE RETICLE
AR-15 ACCESSORY     Y
OPTIC FOOTPRINT     PICATINNY
OTHER FEATURES:     30MM LENS, NO BATTERIES-NO
     SWITCHES, REFLEX AIMING WITH
     BOTH EYES OPEN, SELF
     ILLUMINATION ADJUST TO AMBIENT
     LIGHT, MATTE GREY AND BLACK
     QUICK RELEASE PICATINNY MOUNT
     RETAINS ZERO WHEN REMOUNTED,
     TRITIUM ILLUMINATION IS
     WARRENTED FOR 10 YEARS,
     TRIANGLE RETICLE

Additional information
UPC

879015004361

Manufacturer

Meprolight

Manufacturer Part Number

MEPROM21T

Other Features

30MM LENS, NO BATTERIES-NO

Width

5.6000

Color

DAY/NIGHT REFLEX

Optic Footprint

PICATINNY

Material

STEEL/GLASS TRIANGLE RETICLE

Length

5.7500

Height

4

Dimension

4.00 X 5.60 X 5.75

AR-15 Accessory

Yes

Windage Elevation

Adjustable

Weight

372 g/13.12 ox w/ Picatinny Adapter

Reticle

Red Triangle Post Illuminated

Proofs

Weather Resistant

Objective

30mm

Magnification

1x

Finish

Black

Field of View

Unlimited

Eye Relief

Unlimited

Dot Size

12 MOA

Accessories

Quick Detach Mount

Model

M-21T

Power

1X

Size

12 MOA

Subcategory

Red Dot Sights & Non-Magnified Optics

Product Type

Reflex

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “MEPROLIGHT DAY/NIGHT REFLEX – SIGHT W/DUST COVER TRIANGLE” Cancel reply

Your email address will not be published. Required fields are marked *

Shipping & Delivery

Related products

Compare

EO TECH EOTECH 510 MODEL 512 AA-BATTRY

Red Dots Sights
$515.00
EO TECH EOTECH 510 MODEL 512 AA-BATTRY
Add to wishlist
Purchase & earn 515 points!Add to cart
Quick view
Compare

MECANIK MO1 MINI RED DOT

Red Dots Sights
$141.00
MECANIK MO1 MINI RED DOT
Add to wishlist
Purchase & earn 141 points!Add to cart
Quick view
Sold out
Compare

RITON OPTICS X1 TACTIX ERD 2MOA RED DOT

Red Dots Sights
$199.00
RITON OPTICS X1 TACTIX ERD 2MOA RED DOT
Add to wishlist
Purchase & earn 199 points!Read more
Quick view
Compare

SIG SAUER ROM5/JUL3 COMBO RD 2MOA TRX/QR

Red Dots Sights
$432.00
SIG SAUER ROM5/JUL3 COMBO RD 2MOA TRX/QR
Add to wishlist
Purchase & earn 432 points!Add to cart
Quick view
Compare

SIG SAUER ROMEO MSR GEN2 1X20MM RED

Red Dots Sights
$114.00
SIG SAUER ROMEO MSR GEN2 1X20MM RED
Add to wishlist
Purchase & earn 114 points!Add to cart
Quick view
Sold out
Compare

SIG SAUER ROMEO ZERO REFLEX 6MOA BLK

Red Dots Sights
$126.00
SIG SAUER ROMEO ZERO REFLEX 6MOA BLK
Add to wishlist
Purchase & earn 126 points!Read more
Quick view
Compare

SIG SAUER ROMEO-X PRO 2MOA CD BLK

Red Dots Sights
$449.99
SIG SAUER ROMEO-X PRO 2MOA CD BLK
Add to wishlist
Purchase & earn 450 points!Add to cart
Quick view
Compare

SIG SAUER ROMEO7 1X30 REDDOT 3MOA GRP

Red Dots Sights
$199.99
SIG SAUER ROMEO7 1X30 REDDOT 3MOA GRP
Add to wishlist
Purchase & earn 200 points!Add to cart
Quick view

    At Great Lakes Firearms of Porter, Indiana, our mission is to provide our customers with the finest firearms and ammunition available, while promoting responsible gun ownership and safety.

    Quick Links

    • About
    • Service
    • Shop
    • Blog
    • Contact

    Useful Link

    • Privacy Policy
    • Term Of Use
    • Returns Policy
    • Reviews

    Great Lakes Firearms

    • (219) 617-6679
    • 1355 Dune Meadows Dr,
      Porter, Indiana 46304

    Newsletter

    Copyright 2025, Great Lakes Firearms | All Rights Reserved.

    Shopping cart
    Close
    Start typing to see products you are looking for.
    Shop
    Wishlist
    0 items Cart
    My account