KS-1 rifle

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KAC KS-1

Caliber:5.56mm

                    

Knight's Stoner KS-1 Carbine: A New Era for the British Armed Forces

            

Knight's Armament Company KS-1 - SHOT Show 2024
By：AR Build Junkie

The Knight's Stoner (KS) Carbine, unveiled in 2022, was developed to meet the requirements of international special operations forces. In September 2023, the British Armed Forces selected the KS-1 rifle under Project Hunter to replace the L85A2-A3 and L119A1-A2 rifles. The KS-1, designated L403A1 or Alternative Individual Weapon (AIW), is now used by the British Army's Special Operations Brigade and Royal Marines.

KS1 with the British royal marine commando
Royal Marines Commando with L403A1 with L900A1 optics suite (Royal Marines/Royal Navy)

By：The Armourer's Bench

The UK Ministry of Defence purchased 1,620 KS-1 rifles for £15 million, with a £90 million option for up to 10,000 rifles over the next decade. The selection of the KS-1, over competitors like Heckler & Koch, SIG Sauer, Daniel Defense, and Glock, highlights its superior design and capability.


Design and Features

Gas System: The KS series boasts a self-indexing, efficient gas system with minimal pressure loss and easy maintenance.

Enhanced Bolt Carrier Group: Features Knight's Armament's E3 Enhanced Bolt for increased durability and reliability.

Ambidextrous Controls: Fully mirrored fire control, magazine release, and bolt catch/release.

Optics: Equipped with a 1-10x magnification scope, red dot reflex sight, and digital thermal sight.

Lightweight and Adjustable: Cold hammer-forged barrels, chrome-lined, and a free-floating handguard.

Variants

KS-1: 13.7" barrel with mid-length gas system.
KS-2: 14.5" barrel with mid-length gas system.
KS-3: 11.5" barrel with carbine-length gas system.
KS-4: 16" barrel with extended mid-length gas system.

Usage

United Kingdom: Designated L403A1, used by the British Army and Royal Marines with L900A1 Optics Suite and KAC QDC/MCQ-PRT suppressor.

The KS-1's advanced features and robust design make it a significant upgrade for modern military operations, ensuring enhanced performance and reliability in the field.

L900A1 Optics Suite
KAC QDC/MCQ-PRT
Trey Knight Shows Us the New KAC KS-1 AR with New Reduced Back-Pressure Suppressor!  
By：David Crane


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