AR-16: Armalite's Lost Battle Rifle

Published on December 22, 2025
Duration: 1:07

The Armalite AR-16 is a rare prototype chambered in 7.62 NATO, bridging the gap between the AR-10 and AR-18. It features a short-stroke gas piston, dual recoil springs, and a unique 5-aperture rotating rear sight. Only two AR-16s are known to exist, making it a significant piece of Armalite's design history.

Quick Summary

The Armalite AR-16 is a rare 7.62 NATO battle rifle prototype, with only two known examples. It features a short-stroke gas piston system, dual recoil springs, and a unique 5-aperture rotating rear sight, serving as a design bridge between the AR-10 and AR-18.

Chapters

  1. 00:00Introduction to the AR-16
  2. 00:11Markings and Controls
  3. 00:19Bolt and Magazine Operation
  4. 00:28Rear Sight System
  5. 00:38Disassembly and Internal Components
  6. 00:58Gas System and Field Strip

Frequently Asked Questions

What makes the Armalite AR-16 significant in firearm history?

The Armalite AR-16 is significant because it's an extremely rare prototype, with only two known examples. Chambered in 7.62 NATO, it represented an important design step between the AR-10 and the later AR-18, showcasing Armalite's experimental development.

What caliber is the Armalite AR-16 chambered in?

The Armalite AR-16 is chambered in 7.62 NATO. This powerful rifle cartridge was chosen to create a heavier-hitting rifle that could serve as a battle rifle, distinct from the intermediate cartridge typically used in assault rifles.

What type of gas system does the Armalite AR-16 use?

The Armalite AR-16 utilizes a three-part short-stroke gas piston system. This design choice differs from the direct impingement system found in the AR-15 and is often associated with increased reliability in harsh conditions.

How does the magazine insertion method of the AR-16 compare to other rifles?

The AR-16 uses a 'nose-in, rock-back' magazine insertion method. This is similar to how magazines are loaded into rifles like the AK-47 or M14, where the front of the magazine enters the well first, followed by rocking the rear upwards.

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