Your basket is empty.

Basket

Help and contact

Free standard delivery over £199

100-day return policy

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

The Daniel Defense MK18 Upper Receiver features a 10.3" Cold Hammer Forged Barrel, ambidextrous GRIP-N-RIP Charging Handle, and robust RIS II for enhanced performance.

DANIEL DEFENSE MK18 10.3" UPPER RECEIVER 5.56 1-7 GOVT BLACK

815604014045 100023304

Restrictions

Is a 'Call to order' product.

Top takeaways

The Daniel Defense MK18 Upper Receiver Group is equipped with a 10.3" Cold Hammer Forged Barrel, RIS II rail system, and is designed for CQB operations.
It features an ambidextrous GRIP-N-RIP Charging Handle, M16 profile bolt carrier group, and a pinned low profile gas block with a carbine length direct impingement system.
The upper receiver is made from 7075-T6 Aluminum, comes with a Daniel Defense Flash Suppressor, and is available in black or FDE with a Type III Hard Coat Anodized finish.

Attributes

Cartridge:
```
5.56 mm NATO
```
Colour:
```
Black
```
Contour:
```
Government
```
Finish:
```
Anodized
```
Length:
```
10.3''
```
Make: -
Style:
```
Complete
```
Twist:
```
1-7
```
Delivery weight: 2.336kg
Shipping height: 108mm
Shipping width: 146mm
Shipping length: 711mm
UPC: 815604014045

Item details

Made in USA
US export classification: I(g)

Specifications:
Cartridge: 5.56 mm NATO
Color: Black
Contour: Government
Finish: Anodized
Length: 10.3''
Style: Complete
Twist: 1-7

1699.9 1699.9 1 GBP

1699.9 GBP £1,699.90

Prices inclusive of duty & VAT.

Product no.: 100023304

Mfr. No.: 23-004-08013-006

815604014045 The Daniel Defense MK18 Upper Receiver Group features the railed forend Daniel Defense currently provides to USSOCOM and a 10.3” Cold Hammer Forged Barrel. The MK18 Rail Interface System (RIS II) features the Bolt-Up System has been rigorously tested prior to fielding by USSOCOM. The 10.3” barrel is the same length in use for the MK18 upper most often used for CQB operations. The new independently ambidextrous GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters and is engineered for suppressed fire, with anti-gas features that redirect gas flow upward and away from the face and operator. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group. Available with either black or FDE handguards. 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, 10.3″ Government Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested GAS SYSTEM: Pinned Low Profile Gas Block CNC Machined of 4140 hardened steel with Mil-Spec Heavy Phosphate Coating, Carbine Length, Direct Impingement MUZZLE DEVICE: Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished BOLT CARRIER GROUP: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key SIGHTS: Sold Separately HANDGUARD: Daniel Defense RIS II MK18, CNC Machined of 6061-T6 Aluminum, Type III Hard Coat Anodized CHARGING HANDLE: GRIP-N-RIP Charging Handle, Body CNC Machined of 7076-T6 Aluminum, Handles & Latch CNC Machined of 6061-T6 Aluminum, Heavy Duty Stainless Steel Roll Pins, Type III Hard Coat Anodized RAIL PANELS: Daniel Defense Rail Panels Made from Santoprene, Heat Resistant to 300° F. Made in the USA! It is the buyer’s responsibility to make sure they comply with all NFA rules and applicable laws.

Not available

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

1699.9 1699.9 1 GBP

Description Specification Customers reviews Accessories

DANIEL DEFENSE MK18 10.3" UPPER RECEIVER 5.56 1-7 GOVT BLACK

1699.9 GBP £1,699.90

Prices inclusive of duty & VAT.

Is a 'Call to order' product.

Requires order by phone

Description:

Introducing the Ultimate MK18 Upper Receiver Group from Daniel Defense!

The Daniel Defense MK18 Upper Receiver Group is designed for serious shooters and operators, featuring a robust construction and advanced technology tailored for both performance and reliability.

Product Features:

Upper Receiver: Mil-Spec with Indexing Marks and M4 Feed Ramps, CNC Machined from 7075-T6 Aluminum, Type III Hard Coat Anodized.
Barrel: Cold Hammer Forged, 10.3” Government Profile, Chrome Lined, 1:7 Twist, made from Chrome Moly Vanadium Steel.
Gas System: Pinned Low Profile Gas Block, CNC Machined of 4140 hardened steel with Mil-Spec Heavy Phosphate Coating.
Muzzle Device: Daniel Defense Flash Suppressor, crafted from 17-4 PH Stainless Steel with Salt Bath Nitride Finish.
Bolt Carrier Group: M16 Profile, Mil-Spec MP Tested, Chrome Lined, properly staked Gas Key.
Sights: Sold Separately.
Handguard: Daniel Defense RIS II MK18, CNC Machined from 6061-T6 Aluminum, Type III Hard Coat Anodized.
Charging Handle: GRIP-N-RIP Charging Handle, made from 7076-T6 Aluminum with Heavy Duty Stainless Steel Roll Pins.
Rail Panels: Made from Santoprene, heat resistant to 300° F.

All complete upper receiver groups come standard with an M16 profile bolt carrier group. Available in either black or FDE handguards.

Made in the USA! It is the buyer’s responsibility to ensure compliance with all NFA rules and applicable laws.

Restrictions

Is a 'Call to order' product.

Top takeaways

The Daniel Defense MK18 Upper Receiver Group is equipped with a 10.3" Cold Hammer Forged Barrel, RIS II rail system, and is designed for CQB operations.
It features an ambidextrous GRIP-N-RIP Charging Handle, M16 profile bolt carrier group, and a pinned low profile gas block with a carbine length direct impingement system.
The upper receiver is made from 7075-T6 Aluminum, comes with a Daniel Defense Flash Suppressor, and is available in black or FDE with a Type III Hard Coat Anodized finish.

Attributes

Cartridge:
```
5.56 mm NATO
```
Colour:
```
Black
```
Contour:
```
Government
```
Finish:
```
Anodized
```
Length:
```
10.3''
```
Make: -
Style:
```
Complete
```
Twist:
```
1-7
```
Delivery weight: 2.336kg
Shipping height: 108mm
Shipping width: 146mm
Shipping length: 711mm
UPC: 815604014045

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

Connect

Secure payment methods

Trade Associations

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.