Stoner 63 (Universal Combat Weapon)

History of the Stoner 63 (Universal Combat Weapon)

In the 1960s, the Stoner 63 emerged as a pioneering concept in firearm design. Created by Eugene Stoner, the mind behind the AR-15, this weapon system utilized a common receiver that could be adapted for various battlefield roles by attaching different components, such as feeders, barrels, and stocks. It offered versatility with variants like the Standard Assault Rifle (SAR), Compact Carbine (CAR), Light Machine Gun (LMG), and more, all using the same 5.56x45mm NATO cartridge and having an effective range of up to 1,000 meters.

Although the Stoner 63 underwent testing by the US military, it faced operational challenges and was heavier than competing alternatives, leading to limited adoption. Notably, US Navy SEALs briefly used it during the Vietnam War, but it didn't become a standard weapon. The US Army Special Forces also briefly adopted it in the form of the XM207 in 1970, but this was short-lived. Ultimately, the Stoner 63 series was phased out in the 1980s as the military sought more specialized infantry weapons.

While the Stoner 63 concept didn't become a staple in military arsenals, it laid the foundation for the idea of modular firearms with interchangeable parts. This concept persists in modern firearm design, with examples like the Steyr AUG and various other companies exploring similar approaches to create adaptable and versatile weapons systems.

Specification

Base

Year of Service: 1963

Origins: United States

Categories: Modular Assault Weapons

Manufacturer: Cadillac Gage Company / Eugene Stoner - USA

Carrier: United States

Roles

Auto function

Has mechanical features to automate the firing process.

Fire Support

Ability to suppress enemy elements at a distance using direct or indirect fire.

Special Forces

The qualities of this weapon have proven its worth to special forces who need a versatile, reliable solution for the rigors of special operations. Special weapons for specific characters on the battlefield.

Dimensions and Weight

Overall Length: 1,023 mm (40.28 inches)

Barrel length: 508mm (20.00 inches)

Cured weight: 7.72 lbs (3.50 kg)

Action

Pivot

This system uses an internal mechanism to lock the breech or rear barrel assembly prior to firing.

Gas Power

proposes a pneumatic system that typically consists of a cylinder and a rear drive piston that directs power to the bolt assembly.

Cartridges and Paper Feeds

Caliber*: 5. 56x45mm NATO

Circle/Feed: 30-round magazine with detachable magazine; dissolving limb straps; 75-round drum

POWER

Maximum efficiency: 1,800 feet (549m | 600m)

Rate of fire: 700 Number of revolutions

Mile speed: 3,250 ft/s (991 m/s)

VARIANTS

Stoner 62 - Reworked prototype; loaded with 7.62x51mm NATO cartridge.

Stoner M63 - Name of the basic series; chambered in 5.56x45mm NATO cartridge; approximately 2,000 copies produced.

Stoner M63A - Modified M63; holds 5. 56x45mm NATO cartridges.

XM22 - US Navy SEAL designated Stoner 63 production brand.

XM22E1 - US Navy SEAL Designated Stoner 63A Production Brand.

XM23 - US Navy SEAL designated Stoner 63 carbine shape.

XM207 - US Navy SEAL designated Stoner light machine gun shape.

Stoner Mark 23 Mod 0 Machine Gun - US Navy SEAL designation for the Stoner Commando Mark.