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 Build Kits Handguards & Rails GEISSELE AUTOMATICS 14.5" HK416 MK15 SUPER MODULAR RAIL SMR M-LOK DDC Support

The Geissele SMR HK416 MK15 M-LOK offers unmatched durability, modularity, and military-grade performance, ideal for enhancing your HK416 or MR556 platform.
-9 %

GEISSELE AUTOMATICS 14.5" HK416 MK15 SUPER MODULAR RAIL SMR M-LOK DDC

810081131018 430105574

Filters:

Variations
Filters:
Variations:

Variations:

-9 %
The Geissele SMR HK416 MK15 M-LOK offers unmatched durability, modularity, and military-grade performance, ideal for enhancing your HK416 or MR556 platform.
HK M-LOK RAILS - 14.5" HK416 MK15 SUPER MODULAR RAIL SMR M-LOK DDC
579.9 GBP 5 £579.90 * £639.90
In stock
Color: DDC Length: 14.5'' Make: Heckler & Koch Material: Aluminum Model: HK416 Style: M-LOK Product no.: 430105574
In stock
579.9 GBP 5 £579.90 * £639.90
-10 %
The Geissele SMR HK416 MK15 M-LOK offers unmatched durability, modularity, and military-grade reliability for your HK416 or MR556 platform.
HK M-LOK RAILS - 10.5" HK416 MK15 SUPER MODULAR RAIL SMR M-LOK BLACK
519.9 GBP 21 £519.90 * £579.90
In stock
Color: Black Length: 10.5 Make: Heckler & Koch Material: 6061 T6 Aluminum Model: 416, MR556 Style: M-LOK Product no.: 100055358
In stock
519.9 GBP 21 £519.90 * £579.90
-10 %
The Geissele SMR HK416 MK15 M-LOK offers unmatched durability, modularity, and military-grade reliability for your HK416 or MR556 platform.
HK M-LOK RAILS - 10.5" HK416 SUPER MODULAR RAIL SMR M-LOK BLACK
519.9 GBP 5 £519.90 * £579.90
In stock
Color: Black Length: 10.5'' Make: Heckler & Koch Material: Aluminum Model: HK416 Style: M-LOK Product no.: 430105575
In stock
519.9 GBP 5 £519.90 * £579.90
The Geissele SMR HK416 MK15 M-LOK rail offers unmatched strength, modularity, and military-grade durability, ideal for your HK416 or MR556 platform.
HK M-LOK RAILS - 14.5" HK416 SUPER MODULAR RAIL SMR M-LOK DDC
639.9 GBP 0 £639.90 *
Backorderable
Color: Desert Dirt Color Length: 14.5 Make: Heckler & Koch Material: 6061 T6 Aluminum Model: 416, MR556 Style: M-LOK Product no.: 100055361
Backorderable
639.9 GBP 0 £639.90 *
The Geissele SMR HK416 MK15 M-LOK offers unmatched reliability, modularity, and military-grade durability for your HK416 or MR556 platform.
HK M-LOK RAILS - 10.5" HK416 SUPER MODULAR RAIL SMR M-LOK DDC
599.9 GBP 0 £599.90 *
Backorderable
Color: DDC Length: 10.5'' Make: Heckler & Koch Material: Aluminum Model: HK416 Style: M-LOK Product no.: 430105576
Backorderable
599.9 GBP 0 £599.90 *
The Geissele HK416 MK15 SMR M-LOK offers unmatched durability, modularity, and military-grade reliability, perfect for enhancing your HK416 or MR556 platform.
HK M-LOK RAILS - 14.5" HK416 MK15 SUPER MODULAR RAIL SMR M-LOK BLACK
Not available
Color: Black Length: 14.5'' Make: Heckler & Koch Material: Aluminum Model: HK416 Style: M-LOK Product no.: 430105573
Not available
599.9 GBP 0 £599.90 *
519.9 639.9 6 GBP
-9 %
MSRP £639.90
579.9 GBP £579.90

Prices inclusive of duty & VAT.

Product no.: 430105574

Mfr. No.: 05-826S

810081131018 The Geissele SMR (Super Modular Rail) HK416 MK15 MLOK brings the reliability and durability you would expect from a Geissele product. The rail system utilizes the stock HK barrel nut while incorporating strength, rigidity and modularity. Made from 6061-T6 aluminum and finished in type 3 hardcoat anodize, the SMR HK416 MK15 meets military specifications. The HK M-LOK Rails have M-LOK mounting options at 3, 6, and 9 o’clock positions, as well as featuring a full picatinny rail along the top and shortened picatinny rails on the forend. Height: 2.61"" Color: Black or DDC Lengths: 10.5"" and 14.5” Inner diameter: 1.35"" Outer Diameter (DAQ*): 2.08"" Weight: 10.3oz The Geissele SMR HK416 MK15 is trusted by our Nation’s elite warfighters, and their input was taken into consideration while developing the feature and performance rich SMR HK416 MK15.
In stock 5 pcs. in the USA warehouse
Be the first to rate this product
1
2
3
4
5
6
7
8
9
10+
-9 %
MSRP £639.90
£579.90

Prices inclusive of duty & VAT.

1
2
3
4
5
6
7
8
9
10+

Delivery time approx. 7-14 days.

100-Day Return Policy

Delivery time approx. 7-14 days.

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
519.9 639.9 6 GBP
Description Specification Customers reviews Accessories

GEISSELE AUTOMATICS 14.5" HK416 MK15 SUPER MODULAR RAIL SMR M-LOK DDC

-9 %
MSRP £639.90
579.9 GBP £579.90

Prices inclusive of duty & VAT.

1
2
3
4
5
6
7
8
9
10+
-9 %
MSRP £639.90
£579.90

Prices inclusive of duty & VAT.

1
2
3
4
5
6
7
8
9
10+

Delivery time approx. 7-14 days.

100-Day Return Policy

Description:

The Ultimate Upgrade for Your HK416 or MR556

The Geissele SMR (Super Modular Rail) HK416 MK15 MLOK delivers the exceptional reliability and durability synonymous with Geissele products. Designed specifically for the HK416 and MR556 platforms, this rail system utilizes the stock HK barrel nut while enhancing strength, rigidity, and modularity.

Key Features:

  • Material: Constructed from 6061-T6 aluminum
  • Finish: Type 3 hardcoat anodize
  • Compliance: Meets military specifications
  • M-LOK Mounting Options: Available at 3, 6, and 9 o’clock positions
  • Picatinny Rails: Full rail along the top and shortened rails on the forend
  • Height: 2.61"
  • Color Options: Black or DDC
  • Lengths: 10.5" and 14.5”
  • Inner Diameter: 1.35"
  • Outer Diameter (DAQ*): 2.08"
  • Weight: 10.3oz

The Geissele SMR HK416 MK15 is trusted by our Nation’s elite warfighters, with their invaluable input shaping the feature-rich and performance-driven design. Upgrade your firearm with this exceptional rail and experience the difference.



Top takeaways

  1. The Geissele SMR HK416 MK15 is a highly reliable and durable M-LOK rail system compatible with the stock HK barrel nut, designed for the HK416.
  2. Constructed from 6061-T6 aluminum with a type 3 hardcoat anodized finish, it meets military specifications and offers modularity with M-LOK slots and picatinny rails.
  3. Available in 14.5" length with a DDC color option, it provides a balance of strength and lightweight at 10.3oz, catering to the needs of elite warfighters.

Attributes

  • Colour: 
    DDC
  • Length: 
    14.5''
  • Material: 
    Aluminum
  • Model: 
    HK416
  • Style: 
    M-LOK
  • Weapon type: 
    Heckler & Koch
  • Delivery weight: 0.454kg
  • Shipping height: 108mm
  • Shipping width: 108mm
  • Shipping length: 368mm
  • UPC: 810081131018

Item details

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

Customers reviews

Customer ratings (0)

0 / 5

Variations:

-9 %
The Geissele SMR HK416 MK15 M-LOK offers unmatched durability, modularity, and military-grade performance, ideal for enhancing your HK416 or MR556 platform.
HK M-LOK RAILS - 14.5" HK416 MK15 SUPER MODULAR RAIL SMR M-LOK DDC
579.9 GBP 5 £579.90 * £639.90
In stock
Color: DDC Length: 14.5'' Make: Heckler & Koch Material: Aluminum Model: HK416 Style: M-LOK Product no.: 430105574
In stock
579.9 GBP 5 £579.90 * £639.90
-10 %
The Geissele SMR HK416 MK15 M-LOK offers unmatched durability, modularity, and military-grade reliability for your HK416 or MR556 platform.
HK M-LOK RAILS - 10.5" HK416 MK15 SUPER MODULAR RAIL SMR M-LOK BLACK
519.9 GBP 21 £519.90 * £579.90
In stock
Color: Black Length: 10.5 Make: Heckler & Koch Material: 6061 T6 Aluminum Model: 416, MR556 Style: M-LOK Product no.: 100055358
In stock
519.9 GBP 21 £519.90 * £579.90
-10 %
The Geissele SMR HK416 MK15 M-LOK offers unmatched durability, modularity, and military-grade reliability for your HK416 or MR556 platform.
HK M-LOK RAILS - 10.5" HK416 SUPER MODULAR RAIL SMR M-LOK BLACK
519.9 GBP 5 £519.90 * £579.90
In stock
Color: Black Length: 10.5'' Make: Heckler & Koch Material: Aluminum Model: HK416 Style: M-LOK Product no.: 430105575
In stock
519.9 GBP 5 £519.90 * £579.90
The Geissele SMR HK416 MK15 M-LOK rail offers unmatched strength, modularity, and military-grade durability, ideal for your HK416 or MR556 platform.
HK M-LOK RAILS - 14.5" HK416 SUPER MODULAR RAIL SMR M-LOK DDC
639.9 GBP 0 £639.90 *
Backorderable
Color: Desert Dirt Color Length: 14.5 Make: Heckler & Koch Material: 6061 T6 Aluminum Model: 416, MR556 Style: M-LOK Product no.: 100055361
Backorderable
639.9 GBP 0 £639.90 *
The Geissele SMR HK416 MK15 M-LOK offers unmatched reliability, modularity, and military-grade durability for your HK416 or MR556 platform.
HK M-LOK RAILS - 10.5" HK416 SUPER MODULAR RAIL SMR M-LOK DDC
599.9 GBP 0 £599.90 *
Backorderable
Color: DDC Length: 10.5'' Make: Heckler & Koch Material: Aluminum Model: HK416 Style: M-LOK Product no.: 430105576
Backorderable
599.9 GBP 0 £599.90 *
The Geissele HK416 MK15 SMR M-LOK offers unmatched durability, modularity, and military-grade reliability, perfect for enhancing your HK416 or MR556 platform.
HK M-LOK RAILS - 14.5" HK416 MK15 SUPER MODULAR RAIL SMR M-LOK BLACK
Not available
Color: Black Length: 14.5'' Make: Heckler & Koch Material: Aluminum Model: HK416 Style: M-LOK Product no.: 430105573
Not available
599.9 GBP 0 £599.90 *

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