Exclusive hands-on with the new British Army AR-15: The KS-1 (L403A1), with Jonathan Ferguson

Published on June 19, 2024
Duration: 14:15

The Knight's Armament KS-1, designated L403A1 by the British Army, is a new AR-15 platform rifle adopted for specialized units like the Army Special Operations Brigade and Royal Marines. It features a 13.7-inch barrel, ambidextrous controls, and is equipped with a Vortex 1-10x LPVO and an Aimpoint ACRO P-2 for versatile engagement ranges. The rifle utilizes a KAC QDC/MCQ-PRT suppressor and is part of 'Project Hunter' to enhance interoperability with allied forces.

Quick Summary

The British Army's L403A1 rifle, also known as the Knight's Armament KS-1, is an AR-15 platform adopted for specialized units. It features a 13.7-inch barrel, ambidextrous controls, a Vortex 1-10x LPVO, and an Aimpoint ACRO P-2 red dot for versatile engagement capabilities.

Chapters

  1. 00:00Introduction to the L403A1 (KS-1)
  2. 01:53Project Hunter & Unit Allocation
  3. 03:03Optics: Vortex LPVO & Aimpoint ACRO
  4. 04:22Barrel & KAC URX Handguard
  5. 05:21KAC QDC Suppressor & Thermal Mitigation
  6. 07:01Ambidextrous Controls Explained
  7. 09:15Internal Mechanics & Stoner Legacy
  8. 11:57Procurement Plans & Deployment

Frequently Asked Questions

What is the British Army's new rifle designated L403A1?

The L403A1 is the British Army's designation for the Knight's Armament Company KS-1 rifle. It's an AR-15 platform adopted to supplement the SA80, primarily for specialized units like the Army Special Operations Brigade and Royal Marines.

What optics are featured on the British Army's L403A1 rifle?

The L403A1 is equipped with a Vortex 1-10x LPVO, designated 'Eleanor', for variable magnification. It also features a top-mounted Aimpoint ACRO P-2 red dot sight for rapid close-quarters engagements.

What is the purpose of Project Hunter regarding the L403A1 rifle?

Project Hunter is the initiative under which the L403A1 rifle was procured. Its goal is to provide specialized units, such as the Army Special Operations Brigade and Royal Marines Strike Companies, with enhanced interoperability with allied special forces.

What are the key features of the L403A1's barrel and handguard?

The L403A1 features a KAC URX 6 M-LOK handguard and a 13.7-inch dimpled heavy barrel. This design is intended to balance accuracy, heat dissipation, and manageable weight for the rifle.

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