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Fortis Night Rail AR-15 M-LOK Handguard - 12.9 Inch AR15 Handguard Fortis Manufacturing, Inc

Fortis Night Rail AR-15 M-LOK Handguard - 12.9 Inch

£259.99
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Reliable shipping

Flexible returns

Fortis Night Rail AR-15 M-LOK Handguard - 12.9 Inch

Features

  • Proprietary Two-Piece Barrel Nut – Patent-pending 4140-steel barrel nut provides 360° of contact for rock-solid rail retention without specialized tools.
  • Free-Float Design – Fully free-floats the barrel to enhance accuracy and reduce heat transfer from the gas block to the handguard.
  • Full M-LOK™ Attachment – Versatile mounting points at 3, 6, and 9 o’clock positions for accessories without bulk or visible fasteners.
  • No Visible Fasteners – Sleek, uninterrupted exterior profile eliminates snag hazards and simplifies cleaning.
  • Lightweight Construction – Handguard weighs just 8.9 oz; barrel nut 3.9 oz, preserving your rifle’s handling characteristics.
  • Made in the USA – CNC-machined from aircraft-grade materials and anodized in-house to military specifications.

Technical Specifications for Fortis Night Rail AR-15 M-LOK Handguard - 12.9 Inch

Specification

Details

Manufacturer

Fortis Manufacturing

Model / Part Number (MPN)

Night Rail AR-15 M-LOK Handguard / NTR-12-MLOK

SKU

NTR-12-MLOK

UPC

855476008056

Material – Rail

Aircraft Grade 6061-T6 Aluminum

Material – Barrel Nut

4140 Steel

Finish

Mil-Spec Type III Hard Coat Anodized

Overall Length

12.875 in (12.9 in nominal)

Internal Diameter

1.35 in (34.3 mm)

Height (at 12 o’clock)

2.35 in (59.7 mm)

Width (across flats)

2.25 in (57.2 mm)

Attachment System

M-LOK™ slots at 3, 6, 9 o’clock positions

Weight

Handguard: 8.9 oz (252 g)Barrel Nut: 3.9 oz (111 g)

Compatibility

Mil-Spec AR-15 upper receivers

Installation

Includes throw-away barrel nut wrench; no gunsmithing required

Country of Origin

USA

Warranty

Fortis Lifetime Warranty

Included Accessories

  • 2-piece 4140-steel barrel nut
  • Disposable barrel-nut wrench

SEO Keywords
Fortis Night Rail 12.9 M-LOK, NTR-12-MLOK, AR-15 free-float handguard, 12.9-inch M-LOK rail, two-piece barrel nut handguard.

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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