AK47 - How does it work?

Published on June 2, 2020
Duration: 2:54

This guide breaks down the complex firing cycle of the AK47, from trigger pull to spent casing ejection and re-chambering. It details the gas-operated system and the mechanics differentiating semi-automatic from full-automatic fire, utilizing 3D animations for clarity. The explanation is provided with high authority by Polenar Tactical.

Quick Summary

The AK47 operates using a gas-operated, rotating bolt system. When fired, gases vent into the gas tube, driving the bolt carrier back. This action unlocks the bolt, extracts and ejects the spent casing, and allows the recoil spring to chamber a new round. The selector mechanism dictates semi-automatic or full-automatic fire by controlling the hammer's engagement with the disconnector.

Chapters

  1. 00:00Introduction to AK47 Operating System
  2. 00:50Firing Mechanism and Gas Cycle
  3. 01:23Extraction and Ejection
  4. 01:40Chambering and Locking
  5. 02:06Semi-Auto vs. Full-Auto Mechanics

Frequently Asked Questions

How does the AK47's gas system function?

The AK47 uses a gas-operated system where expanding gases from fired ammunition are vented through a port in the barrel. These gases travel into the gas tube, pushing the bolt carrier rearward to cycle the action, extract the spent casing, and chamber a new round.

What is the difference between semi-automatic and full-automatic fire on an AK47?

In semi-automatic mode, the trigger must be pulled for each shot. In full-automatic mode, the selector mechanism allows the hammer to fall repeatedly as long as the trigger is depressed, firing continuously until the trigger is released or ammunition is depleted.

What are the key internal components involved in the AK47's firing cycle?

Key components include the hammer, firing pin, bolt carrier, rotating bolt, recoil spring, gas tube, gas block, and disconnector. Their coordinated actions ensure reliable cycling of the firearm.

Why is the AK47 known for its reliability?

The AK47's robust design, generous clearances between moving parts, and effective gas-operated system allow it to function reliably even when exposed to dirt, fouling, and harsh environmental conditions.

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