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Daniel Defense M4A1 Rail Interface System II (RIS II) – 12.25″ – Black AR15 Handguard Daniel Defense
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Daniel Defense M4A1 Rail Interface System II (RIS II) – 12.25″ – Black

£599.99
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Reliable shipping

Flexible returns

Daniel Defense M4A1 Rail Interface System II (RIS II) – 12.25″ – Black

Features

  • USSOCOM-Specified Design – Created for the SOPMOD Block II program at the request of U.S. Special Operations Command.
  • Free-Float Barrel System – Improves accuracy by preventing contact between the rail and the barrel.
  • M203 Grenade Launcher Compatible – Allows mounting of an M203 without removing the rail.
  • Continuous 12 o’clock Rail – Aligns seamlessly with the upper receiver for uninterrupted optics and accessory mounting.
  • Integrated QD Sling Swivel Attachment Points – Limited-rotation design prevents sling binding.
  • Durable, Lightweight Build – CNC-machined from aircraft-grade 6061-T6 aluminum with a military-grade Type III hard-coat anodized finish.

Technical Specifications for Daniel Defense M4A1 Rail Interface System II (RIS II) – 12.25″ – Black

Specification

Details

Manufacturer

Daniel Defense

Model / Part Number (MPN)

01-004-08001-006

SKU

01-004-08001-006

UPC

852548002561

Material

6061-T6 aluminum

Finish

Type III hard-coat anodize

Length

12.25″

Weight

Approx. 17.0 oz

Mount Type

Bolt-up free-float system

Rail Style

Quad rail, continuous top rail

QD Sling Mounts

Integrated, limited rotation

Compatibility

AR-15/M4 platform; accepts M203 grenade launcher

Country of Origin

USA

Warranty

Daniel Defense 100% Satisfaction Guarantee

Included Accessories

  • Daniel Defense M4A1 RIS II – 12.25″ – Black
  • Bolt-up plate assembly
  • Barrel nut
  • Mounting screws
  • Allen wrench

SEO Keywords
Daniel Defense M4A1 RIS II 12.25 black, 01-004-08001-006, AR-15 quad rail, SOPMOD II rail, DD free-float handguard, M203 compatible rail.

Frequently asked questions

What is the return policy?

Our goal is for every customer to be totally satisfied with their purchase. If this isn’t the case, let us know and we’ll do our best to work with you to make it right. 14 day return if you are not happy. Things must be unopened and in original packaging, unless it is faulty.

Are any purchases final sale?

No, you can cancel at anytime and will receive a full refund. We will always work with you. Email: info@xtremetactical.co.uk

When will I get my order?

Shipping & Delivery

  • We work quickly to process and ship your order as soon as possible.
  • Once your order has shipped, you’ll receive an email with full tracking details.

Delivery Times

  • Standard delivery from our USA suppliers: 7–10 working days (usually within a week)
  • UK Stock Collection items ship within 24 hours.

Stock & Sourcing

  • Due to limited demand, we do not hold inventory in the UK. All products ship direct from our USA suppliers to us then we ship to you so you don’t pay any imports fees.

Insurance & Guarantees

  • Orders over £300: Free Royal Mail Special Delivery (Guaranteed Next Day, Fully Insured)
  • Orders under £300: Royal Mail Tracked service for £3.99
Where are your products manufactured?

Our products are manufactured both in USA and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.

How much does shipping cost?

Shipping & Insurance

Orders over £300 ship free via Royal Mail Special Delivery, guaranteed next day and fully insured.

Orders under £300 ship via Royal Mail Tracked for a flat fee of £3.99.

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