Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Ranger Regiment 070923 CREDIT MOD 3
The Knight’s Stoner 1 (KS-1) rifle comes with advanced optical and thermal sights as well as suppressor (silencer) systems (Picture: MOD).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 1
It is already in service with the Royal Marines and was tested on exercise in Norway earlier this year (Picture: Royal Navy).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 2
The L403A1 will supplement the current rifle used by soldiers and marines (Picture: Royal Navy).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Ranger Regiment 070923 CREDIT MOD 1
The AIW system is being delivered by Macclesfield-based company Edgar Brothers (Picture: MOD).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 4
The rifle's dimpled barrel is cold hammer forged making it extremely strong, while its suppressor can handle extremely high temperatures (Picture: Royal Navy).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Ranger Regiment 070923 CREDIT MOD 2
The Ranger Regiment, as a key component of the Army Special Operations Brigade (ASOB), will receive the AIW later this year (Picture: MOD).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 5
The L403A1 is a high-performing modern development of the ArmaLite Rifle (AR) (Picture: Royal Navy).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 6
As an AR-type platform, it shares much in common with the rifle systems used by many of the UK's allies (Picture: Royal Navy).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Ranger Regiment 070923 CREDIT MOD 3
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 1
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 2
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Ranger Regiment 070923 CREDIT MOD 1
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 4
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Ranger Regiment 070923 CREDIT MOD 2
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 5
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 6
Weapons and Kit

In pictures: Up close with the Royal Marines and British Army's new assault rifle - Knight's Stoner 1

Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Ranger Regiment 070923 CREDIT MOD 3
The Knight’s Stoner 1 (KS-1) rifle comes with advanced optical and thermal sights as well as suppressor (silencer) systems (Picture: MOD).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 1
It is already in service with the Royal Marines and was tested on exercise in Norway earlier this year (Picture: Royal Navy).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 2
The L403A1 will supplement the current rifle used by soldiers and marines (Picture: Royal Navy).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Ranger Regiment 070923 CREDIT MOD 1
The AIW system is being delivered by Macclesfield-based company Edgar Brothers (Picture: MOD).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 4
The rifle's dimpled barrel is cold hammer forged making it extremely strong, while its suppressor can handle extremely high temperatures (Picture: Royal Navy).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Ranger Regiment 070923 CREDIT MOD 2
The Ranger Regiment, as a key component of the Army Special Operations Brigade (ASOB), will receive the AIW later this year (Picture: MOD).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 5
The L403A1 is a high-performing modern development of the ArmaLite Rifle (AR) (Picture: Royal Navy).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 6
As an AR-type platform, it shares much in common with the rifle systems used by many of the UK's allies (Picture: Royal Navy).
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Ranger Regiment 070923 CREDIT MOD 3
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 1
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 2
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Ranger Regiment 070923 CREDIT MOD 1
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 4
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Ranger Regiment 070923 CREDIT MOD 2
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 5
Knight’s Stoner 1 (KS-1) rifle (designated L403A1) Royal Marine Commando Forces 070923 CREDIT ROYAL NAVY 6

Take a closer look at the latest assault rifle available to UK military personnel.

The Knight's Stoner KS-1 rifle - also known as the L403A1 - will be available to the Army Special Operations Brigade and Royal Marine Commandos.

The weapon has advanced optical sights and a signature reduction system to make UK troops harder to trace.

Click through the pictures above to see the rifle in detail.

Related topics

Join Our Newsletter

Most Popular

Top Videos

Now playing

The 'ghost ship' that operates without human crews

Now playing

Veteran opens up about the moment she realised she had to leave the army

Now playing

Wargames in Estonia – for a threat that's very real

Latest Stories

Editor's Picks

WatchUsOn

Master storyteller Bernard Cornwell's 'immense admiration for the Armed Forces'

RAF Mustangs soar with Inter Service American Football win🏈

Why Sharpe author won't write about modern wars