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Questions & Answers
Customer Reviews
Helpful Positive Review
A2 sight for defense by m, Verified Owner, June 4, 2024
fits perfect, works as original equipment. It's an excellent fit for A1 receivers to convert them to a defensive posture weapon with the ghost ring rear sight
3/3 found this helpful
Most Recent Reviews
I bought a DPMS Panther Arms Kitty Kat 7.5" pistol upper that came with the smaller aperture rear sight (I think that it was called the A1 style sight). Anyways, it was too small for quick use with a pistol and the extra precision afforded by the sm...
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Most Recent Reviews
Apertures are not centered by Ohio Rover, Verified Owner, May 3, 2026
This is the second A2 aperture and it has the same exact quality control problem.The small apature and large apature are not centered. The small aperture is pretty well centered in the casting but the large amateur is a couple hundred thousands off....
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Most Recent Reviews
Perfect finish Perfect Replacement by jason, Verified Owner, April 26, 2026
Absolutely correct finish perfect product don't spend more money getting the wrong thing just to spend more money
Most Recent Reviews
A2 rear sight aperture by Jimmy C, Verified Owner, April 9, 2026
I use these to replace the A1 apertures on my retro builds. My eyesight isn't good and the larger opening of the A2 helps me big time in acquiring the front sight post when aiming. The finish is correct and so is the quality.
Most Recent Reviews
Luth A2 rear sight aperture by Jimmy C, Verified Owner, December 26, 2025
If you're not a big fan of the A1 rear sight aperture and you're looking to swap it out with a standard A2,this is it. The finish is correct also. Mine doesn't sit down flush in the receiver aperture pocket because the A2 sight is slightly taller on ...
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Read All 6 Reviews
Gun Make:
AR Platform
Gun Model:
AR-15
Sight Position:
Rear
Front Sight Color:
REAR SIGHT ONLY
Rear Sight Color:
Black

Code: 3FN-ARI-165LUTH-UR-27

MPN: UR-27

UPC: 859819007928

List: $14.49Save 24%
$10.99

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Luth-AR A2 Rear Sight Aperture

Rear Sight Aperature A2image

Specifications for Luth-AR A2 Rear Sight Aperture:

Manufacturer: Luth-AR
Gun Make: AR Platform
Gun Model: AR-15
Sight Position: Rear
Front Sight Color: REAR SIGHT ONLY
Rear Sight Color: Black
Dimensions: 1 x 1 x 1 in
Weight: 0.1 oz
Country of Origin: USA
Finish: Anodized
Gun Type: Rifle
Color: Black

Package Contents:

  • Luth-AR A2 Rear Sight Aperture

Luth-AR A2 Rear Sight Aperture Orderable Models

List of Orderable Models

  • Luth-AR Rear Sight Aperature A2, Black, UR-27 , MPN: UR-27 , UPC: 859819007928 , Code: 3FN-ARI-165LUTH-UR-27
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