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)
Shopping 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

Home Rifle Parts Receiver Parts Buffer Tube Parts Buffer Tubes CMMG AR-15 RECEIVER EXTENSIONS Support
Upgrade your AR-15 with CMMG's Receiver Extensions! Choose A1 or Pistol length for the perfect fit. 🔧 Enhance your shooting experience today!

CMMG AR-15 RECEIVER EXTENSIONS - CMMG AR-15 A1 RECEIVER EXTENSION

815835017334 100044620

Variations:

Upgrade your AR-15 with CMMG's Receiver Extensions! Choose A1 or Pistol length for the perfect fit. 🔧 Enhance your shooting experience today!
CMMG AR-15 A1 RECEIVER EXTENSION
59.9 GBP 10 £59.90 *
In stock
Style: A1
In stock
59.9 GBP 10 £59.90 *
Ask question
Upgrade your AR-15 with CMMG Receiver Extensions! Choose A1 or Pistol length for the perfect fit. 🔧 Enhance your shooting experience!
CMMG AR-15 PISTOL RECEIVER EXTENSION
Not available
Style: Pistol
Not available
64.9 GBP 0 £64.90 *
Ask question
59.9 59.9 2 GBP
59.9 GBP £59.90

Prices inclusive of duty & VAT.

Product no.: 100044620

Mfr. No.: 55CA9B7

815835017334 Replacement AR-15 Receiver Extensions in either an A1 or Pistol length.
In stock
Be the first to rate this product

Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse

1
2
3
4
5
6
7
8
9
10+

Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse

Wish List Ask question

Variations:

Upgrade your AR-15 with CMMG's Receiver Extensions! Choose A1 or Pistol length for the perfect fit. 🔧 Enhance your shooting experience today!
CMMG AR-15 A1 RECEIVER EXTENSION
59.9 GBP 10 £59.90 *
In stock
Style: A1
In stock
59.9 GBP 10 £59.90 *
Ask question
Upgrade your AR-15 with CMMG Receiver Extensions! Choose A1 or Pistol length for the perfect fit. 🔧 Enhance your shooting experience!
CMMG AR-15 PISTOL RECEIVER EXTENSION
Not available
Style: Pistol
Not available
64.9 GBP 0 £64.90 *
Ask question

Description:

Replacement AR-15 Receiver Extensions in either an A1 or Pistol length.

Attributes

  • Make: AR-15
  • Style: A1
  • Delivery weight: 0.102kg
  • Shipping height: 25mm
  • Shipping width: 121mm
  • Shipping length: 381mm
  • UPC: 815835017334

Item details

Made in USA
US export classification: 0A501.y.1

Customers reviews

Customer ratings (0)

0 / 5

Customers also bought

Upgrade your AR-15 with the LINK QD Rail Section! 🛠️ This dual interface design fits both M-Lok & Key-Mod for versatile accessory attachment.
STRIKE INDUSTRIES
STRIKE INDUSTRIES LINK QD RAIL SECTION 6 SLOTS BLACK
LINK QD RAIL SECTION 6 SLOTS
 
0
In stock
£42.90
Upgrade your AR-15 with the MAGPUL PRS GEN3 Precision Stock! 🎯 Enjoy adjustable length and cheek piece height for ultimate precision.
MAGPUL
MAGPUL AR-15 PRSGEN3 PRECISION STK ADJ. RIFLE LENGTH BLK
AR-15/308 AR PRS GEN 3 PRECISION STOCK ADJUSTABLE RIFLE LENGTH
Buttstocks
4.8
In stock
£294.90
Upgrade your AR-15 with the Strike Industries Pit Stock! 🛠️ Lightweight, adjustable, and ergonomic for ultimate performance in any situation.
STRIKE INDUSTRIES
STRIKE INDUSTRIES PIT STOCK BLACK
AR-15 PIT STOCK
Buttstocks
0
Not available
 
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