My Account (Sign in)
Your basket is empty.
0
Basket
contact us by phone Help and contact
Free standard delivery over £199
100-day return policy
My Account (Sign in)
Wish list
Your basket is empty. (0)
Basket
Newsletter Newsletter
Sale

Over 300,000 customers - we say thank you!

4.93/5 "Very good" (1400+ reviews)

40,000+ products for hunting and shooting sports

Handgun Parts Sights Rear Sights 10-8 PERFORMANCE STANDARD .156" U-NOTCH REAR SIGHT Support

The 1911 U-Notch Rear Sight features rugged 4140 steel construction, a glare-free sight picture, and a secure fit for reliable performance in any condition.

10-8 PERFORMANCE STANDARD .156" U-NOTCH REAR SIGHT

100003769

Filters:

Variations
Filters:
Variations:

Variations:

The 1911 U-Notch Rear Sight features rugged 4140 steel construction, a glare-free sight picture, and a secure fit for reliable performance in any condition.
1911 U-NOTCH REAR SIGHT - STANDARD .156" U-NOTCH REAR SIGHT
Not available
Make: 1911 Model: Government, Commander, Officers Sight Color: Black Style: U-Notch Product no.: 100003769
Not available
74.9 GBP 0 £74.90 *
Rugged, precision-machined steel rear sight with a clear U-notch for quick alignment; ideal for daily carry and combat use with a glare-free finish.
1911 U-NOTCH REAR SIGHT - STANDARD .140" U-NOTCH REAR SIGHT
Not available
Make: 1911 Model: Government, Commander, Officers Sight Color: Black Style: U-Notch Product no.: 100003768
Not available
74.9 GBP 0 £74.90 *
The 1911 U-Notch Rear Sight offers rugged 4140 steel construction, a glare-free sight picture, and a secure fit for reliable performance in any condition.
1911 U-NOTCH REAR SIGHT - STANDARD .125" U-NOTCH REAR SIGHT
Not available
Make: 1911 Model: Government, Commander, Officers Sight Color: Black Style: U-Notch Product no.: 100003766
Not available
74.9 GBP 0 £74.90 *
0 0 3 GBP

Not available.

Product no.: 100003769

Mfr. No.: 0201-325-156

Notify on availability 74.9 GBP
0 0 3 GBP
Description Specification Customers reviews Accessories

10-8 PERFORMANCE STANDARD .156" U-NOTCH REAR SIGHT

Notify on availability

Description:

Upgrade your firearm with the robust 1911 U-Notch Rear Sight from 10-8 Performance.

The 1911 U-NOTCH REAR SIGHT by 10-8 PERFORMANCE is engineered for serious shooters who demand reliability and precision. This fixed rear sight is crafted from heat-hardened 4140 steel bar stock, ensuring it can withstand the rigors of daily carry while providing a clear and precise sight picture.

Key Features:

  • Rugged Construction: Designed for concealed carry, duty, or combat pistols.
  • Dehorned Edges: Rounded and chamfered to prevent snagging on holsters and clothing.
  • Easy Alignment: .125" high U-shaped notch aligns quickly with various factory-height front sights.
  • Glare-Free Sight Picture: 40 lpi serrations on the rear face for optimal visibility in different lighting conditions.
  • One-Hand Cocking Aid: Ledge contour on the front of the blade facilitates easy cocking.
  • Durable Finish: Manganese phosphate parkerized finish matches tactical pistol aesthetics.
  • Secure Mounting: Hidden setscrew anchors the sight in the slide dovetail, enhancing stability under recoil.
  • Compatibility: Cut to fit Novak Lo-Mount-type dovetail.

Specifications:

  • Material: Steel
  • Finish: Matte black
  • Fits: Novak-style 65° x .500” dovetail
  • Standard Height: .325”
  • Available Notch Widths: .125”, .140”, and .156”

Enhance your shooting experience with the 1911 U-NOTCH REAR SIGHT, where rugged construction meets precision performance.



Top takeaways

  1. The 1911 U-Notch Rear Sight by 10-8 PERFORMANCE LLC is made from heat-hardened 4140 steel for durability, with a dehorned design to prevent snagging during draw.
  2. It features a U-shaped notch for quick sight alignment with various front sights and has serrations for a glare-free picture, plus a ledge for one-hand cocking.
  3. Designed to fit Novak-style dovetails, the sight has a manganese phosphate parkerized finish for wear resistance and includes a setscrew for secure mounting.

Attributes

  • Model: 
    Commander
    , 
    Government
    , 
    Officers
  • Sight Color: 
    Black
  • Style: 
    U-Notch
  • Weapon type: 
    1911
  • Delivery weight: 0.005kg
  • Shipping width: 83mm
  • Shipping length: 146mm

Item details

Made in USA

Customers reviews

Customer ratings (6)

5 / 5
Definitely recommended

Brownells USA it's W I D E ! 13/01/2017

This is a high quality sight that I have used on multiple platforms in the past. I had my gunsmith mill the notch wider on past sights and so ordered this one this time around. He had no trouble installing - just slightly oversized which is what you want. I knew ahead of time what I was in store for with that .156 notch since I was pairing the 10-8 rear with a Novak Mega-Dot. I have to resort to this type of arrangement because of my eyesight. It has worked out great for everything up close and out to 25 yards. But Accuracy really dropped off past that and I just have to accept that.

So this is great for fast & close type of shooting but at distance it will be harder to be accurate.

Definitely recommended

Brownells USA Improves sight picture! 02/10/2014

Easy to install on a Springfield Loaded 1911. The .140" wide U notch rear with the existing .125" front sight made for a substantially improved sight picture.

Variations:

The 1911 U-Notch Rear Sight features rugged 4140 steel construction, a glare-free sight picture, and a secure fit for reliable performance in any condition.
1911 U-NOTCH REAR SIGHT - STANDARD .156" U-NOTCH REAR SIGHT
Not available
Make: 1911 Model: Government, Commander, Officers Sight Color: Black Style: U-Notch Product no.: 100003769
Not available
74.9 GBP 0 £74.90 *
Rugged, precision-machined steel rear sight with a clear U-notch for quick alignment; ideal for daily carry and combat use with a glare-free finish.
1911 U-NOTCH REAR SIGHT - STANDARD .140" U-NOTCH REAR SIGHT
Not available
Make: 1911 Model: Government, Commander, Officers Sight Color: Black Style: U-Notch Product no.: 100003768
Not available
74.9 GBP 0 £74.90 *
The 1911 U-Notch Rear Sight offers rugged 4140 steel construction, a glare-free sight picture, and a secure fit for reliable performance in any condition.
1911 U-NOTCH REAR SIGHT - STANDARD .125" U-NOTCH REAR SIGHT
Not available
Make: 1911 Model: Government, Commander, Officers Sight Color: Black Style: U-Notch Product no.: 100003766
Not available
74.9 GBP 0 £74.90 *

Oops! Something went wrong.

We encountered an error while loading this content. Please refresh the page to continue. If the issue persists, contact our customer support.

Site Navigation
Product Categories
Ordering
Customer Service

Welcome!

to Brownells UK, your destination for anything gun related. With our roots in a genuine passion for firearms, we bring you an unmatched selection of Gun Parts, Firearm Accessories, Gunsmithing Tools, Scopes & Red Dot Sights and Expert Knowledge.

Whether you're looking to maintain, repair, or upgrade, we've got what you need!

For Shooters, By Shooters
We share your enthusiasm and know exactly what you're looking for because we're part of the community.

Massive Selection
From the essentials to the unique, find everything under one roof.

Our blend of tradition and innovation
Shop with the convenience of modern technology, backed by a legacy of experience.

Browse our collection and discover why we're the trusted name in shooting sports & hunting.

Brownells Norge - Komplett utvalg av ladeutstyr, våpendeler, kuler, hylser, kikkerter, optikk og luftvåpen Brownells Österreich - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells Switzerland - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells Deutschland - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells France - Le plus grand fournisseur d'Accessoires pour le tir, Pièces détachées & Outils d'Armurier Brownells Iberica - El mayor proveedor de accesorios para el Tiro, Piezas y herramientas del armero. Brownells Sverige - Världens största leverantör av Vapendelar, Vapensmide Verktyg & Skyttetillbehör Brownells Suomi Brownells Italia - Il negozio del più grande rivenditore di componenti e accessori per armi da tiro, difesa e caccia Brownells Polska - Największy na świecie dostawca części broni, narzędzi rusznikarskich & akcesoriów strzeleckich Brownells Česko - Největší světový dodavatel součástí zbraní, střeleckého příslušenství a zbrojního nářadí
*
Prices inclusive of duty & VAT.

© 2025 Brownells UK
Part of the Brownells Europe Group

Logo Brownells
Classical viewClassical view Mobile viewMobile view
Back to top