How Does It Work: Push Feed vs Controlled Feed

Published on June 30, 2020
Duration: 3:24

This video delves into the fundamental differences between push feed and controlled feed bolt-action rifle mechanisms. It explains how push feed actions rely on the bolt pushing the cartridge into the chamber without active grip until locked, risking double feeds on short stroking. Controlled feed actions, exemplified by the Mauser, use an extractor to actively grip the cartridge rim throughout feeding, preventing such malfunctions. While controlled feed offers greater reliability against feeding errors, modern push feed designs are favored in sniper and competition rifles for their potentially shorter bolt throw.

Quick Summary

Controlled feed actions, like the Mauser, actively grip the cartridge rim with the extractor throughout feeding, preventing double feeds. Push feed actions push the cartridge without this active grip until lockup, risking malfunctions if short-stroked.

Chapters

  1. 00:00Introduction: Push Feed vs Controlled Feed Debate
  2. 00:16How Push Feed Actions Work
  3. 00:43How Controlled Feed Actions Work (Mauser Example)
  4. 01:05Malfunction Risks: Double Feeds Explained
  5. 01:46Ejector Differences: Plunger vs Fixed
  6. 02:31Practical Comparison & Modern Usage

Frequently Asked Questions

What is the main difference between push feed and controlled feed actions in bolt-action rifles?

In push feed, the bolt pushes the cartridge into the chamber without the extractor actively gripping it until locked. In controlled feed, the extractor grips the cartridge rim from the magazine throughout the feeding process, ensuring it stays with the bolt face.

What malfunction is common with push feed actions?

Push feed actions are prone to double-feed malfunctions if the bolt is short-stroked (partially cycled and retracted). This occurs when a new cartridge is pushed into the chamber while one is already present.

Which type of action is typically found on Mauser rifles?

Mauser rifles are classic examples of controlled feed actions. Their design features an extractor that actively hooks the rim of the cartridge as it's fed from the magazine.

Why are push feed actions sometimes preferred in modern rifles?

Push feed actions are often chosen for modern sniper and competition rifles because they can allow for a shorter bolt throw, potentially enabling faster cycling compared to some controlled feed designs.

Related News

All News →

More Reviews Videos You Might Like

More from Forgotten Weapons

View all →