AR-16: Armalite's Lost Battle Rifle

Published on December 22, 2025
Duration: 1:07

This guide details the field stripping process for the rare Armalite AR-16, as demonstrated by Ian McCollum on Forgotten Weapons. It covers the disassembly of the bolt, recoil springs, and gas piston, highlighting the rifle's unique internal mechanisms. The AR-16 is presented as an important transitional design between the AR-10 and AR-18.

Quick Summary

The Armalite AR-16 is a rare prototype chambered in 7.62 NATO, featuring a short-stroke gas piston and dual recoil springs. It serves as an intermediary design between the AR-10 and AR-18, with a unique 'nose-in, rock-back' magazine insertion and a 5-aperture rotating rear sight.

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 a unique firearm?

The Armalite AR-16 is unique as a rare prototype chambered in 7.62 NATO, featuring a short-stroke gas piston system and dual recoil springs, positioning it as an intermediary design between the AR-10 and AR-18.

How is the magazine inserted into the Armalite AR-16?

The AR-16 utilizes a 'nose-in, rock-back' magazine insertion method. This means the front of the magazine enters the receiver first, and then the magazine is rocked backward to lock securely into place.

What caliber is the Armalite AR-16 chambered in?

The Armalite AR-16 is chambered in the powerful 7.62 NATO caliber. This choice of ammunition places it in a distinct category, offering more power than the AR-15 and AR-18.

Can the Armalite AR-16 be field stripped easily?

Yes, the AR-16 can be field stripped by removing a rear pin to pivot the receiver open, followed by the removal of the dual recoil springs, guide rod, bolt assembly, and gas piston.

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