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

Rifle Parts Receiver Parts Receivers Upper Receivers DANIEL DEFENSE M4A1 FSP 5.56X45MM 14.5"BBL STRIPPED UPPER W/12.25"HANDGUARD Support

The Daniel Defense M4A1 FSP Upper Receiver features a 14.5" barrel, RIS II quad rail, and Mil-Spec components, delivering exceptional performance and reliability.

DANIEL DEFENSE M4A1 FSP 5.56X45MM 14.5"BBL STRIPPED UPPER W/12.25"HANDGUARD

818773024082 430106319

Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The Daniel Defense M4A1 FSP Upper Receiver is inspired by USSOCOM SOPMOD Block II and features a 14.5" M4 profile barrel and an FSP RIS II picatinny quad rail in Flat Dark Earth.
  2. Constructed with high-quality materials, it includes a CNC machined 7075-T6 aluminum upper receiver and a 6061-T6 aluminum handguard, both Type III Hard Coat Anodized.
  3. It comes with a Mil-Spec F-Marked front sight base, carbine length gas system, and a barrel that is chrome lined, cold hammer forged, and Mil-Spec heavy phosphate coated.

Attributes

  • Cartridge: 
    5.56 x 45
  • Colour: 
    DDC
  • Contour: 
    M4
  • Finish: 
    Anodized
  • Length: 
    22''
  • Muzzle: 
    1/2-28
  • Style: 
    Stripped
  • Twist: 
    1-7
  • Weapon type: 
    AR-15
  • Delivery weight: 2.268kg
  • Shipping height: 102mm
  • Shipping width: 152mm
  • Shipping length: 711mm
  • UPC: 818773024082

Item details

Made in USA
US export classification: I(g)
  • Specifications:
  • Cartridge: 5.56 x 45
  • Color: DDC
  • Contour: M4
  • Finish: Anodized
  • Length: 22''
  • Make: AR-15
  • Muzzle: 1/2-28
  • Style: Stripped
  • Twist: 1-7
919.9 919.9 1 GBP
919.9 GBP £919.90

Prices inclusive of duty & VAT.

Product no.: 430106319

Mfr. No.: BROWNELLS-M4A1

818773024082 This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. It features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth, a 14.5" M4 profile barrel, Mil-Spec F-Marked front sight base. UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 14.5" M4 Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested GAS SYSTEM: Mil-Spec F-Marked Front Sight Base, Carbine Length, Direct Impingement HANDGUARD: Daniel Defense M4A1 FSP Rail Interface System (RIS) II, CNC Machined of 6061-T6 Aluminum, Type III Hard Coat Anodized FDE Made in the USA!
Not available
Be the first to rate this product

Not available.

100-Day Return Policy
No charges until we ship
No charge:
Your credit card will not be charged when you place your order.

No commitments:
You are under no obligation until the goods are shipped. You can cancel your order at any time before shipping - free of charge.

Not until shipping:
Your credit card will only be charged once we ship your order. Not before.
Wish List Ask question
order by phone
919.9 919.9 1 GBP
Description Specification Customers reviews Accessories

DANIEL DEFENSE M4A1 FSP 5.56X45MM 14.5"BBL STRIPPED UPPER W/12.25"HANDGUARD

919.9 GBP £919.90

Prices inclusive of duty & VAT.

Is a 'Call to order' product.
Requires order by phone

Description:

Introducing the Daniel Defense M4A1 FSP Upper Receiver – a premium choice for discerning firearm enthusiasts!

This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group is designed for customers seeking a high-quality firearm inspired by USSOCOM SOPMOD Block II. With its robust features and exceptional craftsmanship, this upper receiver is perfect for both tactical applications and recreational shooting.

Key Features:

  • Upper Receiver: Mil-Spec with Indexing Marks and M4 Feed Ramps, CNC Machined from 7075-T6 Aluminum, Type III Hard Coat Anodized.
  • Barrel: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 14.5" M4 Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested.
  • Gas System: Mil-Spec F-Marked Front Sight Base, Carbine Length, Direct Impingement.
  • Handguard: Daniel Defense M4A1 FSP Rail Interface System (RIS) II, CNC Machined from 6061-T6 Aluminum, Type III Hard Coat Anodized in Flat Dark Earth.

All components are made in the USA, ensuring top-notch quality and reliability. Elevate your shooting experience with the Daniel Defense M4A1 FSP Upper Receiver – a trusted choice for firearm aficionados!



Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The Daniel Defense M4A1 FSP Upper Receiver is inspired by USSOCOM SOPMOD Block II and features a 14.5" M4 profile barrel and an FSP RIS II picatinny quad rail in Flat Dark Earth.
  2. Constructed with high-quality materials, it includes a CNC machined 7075-T6 aluminum upper receiver and a 6061-T6 aluminum handguard, both Type III Hard Coat Anodized.
  3. It comes with a Mil-Spec F-Marked front sight base, carbine length gas system, and a barrel that is chrome lined, cold hammer forged, and Mil-Spec heavy phosphate coated.

Attributes

  • Cartridge: 
    5.56 x 45
  • Colour: 
    DDC
  • Contour: 
    M4
  • Finish: 
    Anodized
  • Length: 
    22''
  • Muzzle: 
    1/2-28
  • Style: 
    Stripped
  • Twist: 
    1-7
  • Weapon type: 
    AR-15
  • Delivery weight: 2.268kg
  • Shipping height: 102mm
  • Shipping width: 152mm
  • Shipping length: 711mm
  • UPC: 818773024082

Item details

Made in USA
US export classification: I(g)

Customers reviews

Customer ratings (0)

0 / 5

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