How the Mauser Bolt Action Functions - All 8 Steps | MidwayUSA Gunsmithing

Published on October 9, 2017
Duration: 1:37

This video details the eight distinct steps involved in cycling a Mauser bolt action rifle, from primary extraction to sear engagement. It highlights key mechanical processes like cocking the action, the firing pin block safety, and the function of locking lugs. The explanation utilizes cutaway models to clearly illustrate the internal mechanics of the Mauser action.

Quick Summary

The Mauser bolt action cycles through eight distinct steps: Primary Extraction to unseat the case, Cocking the action, a Firing Pin Block for safety during rotation, Case Ejection, Feeding the next round, Locking the action with lugs, Firing Pin Unlock, and finally Sear Engagement for firing.

Chapters

  1. 00:00Introduction to Mauser Bolt Action Steps
  2. 00:17Step 1: Primary Extraction Explained
  3. 00:31Step 2: Cocking the Action
  4. 00:36Step 3: Firing Pin Block Safety
  5. 00:43Step 4: Case Ejection Process
  6. 00:48Step 5: Feeding the Next Cartridge
  7. 00:53Step 6: Locking Lugs Engagement
  8. 00:59Step 7: Firing Pin Unlock
  9. 01:06Step 8: Sear Engagement and Firing

Frequently Asked Questions

What are the eight steps involved in cycling a Mauser bolt action?

The eight steps are: 1. Primary Extraction (unseating the case), 2. Cocking the Action, 3. Firing Pin Block engagement, 4. Case Ejection, 5. Feeding the next cartridge, 6. Locking the action with lugs, 7. Firing Pin Unlock, and 8. Sear Engagement for firing.

How does primary extraction work on a Mauser bolt action?

When the bolt handle is lifted, it contacts a cam on the rear bridge. This cam forces the bolt rearward, initiating the extraction process and helping to unseat the cartridge case from the chamber.

What safety feature is active while rotating the bolt on a Mauser?

As a safety measure, the firing pin is mechanically blocked while the bolt is being rotated. This prevents the firing pin from moving forward and potentially firing the rifle until the bolt is fully closed and locked.

What role does the sear play in firing a Mauser rifle?

The sear is part of the trigger mechanism that holds the cocking piece under tension after the action is cocked. Pulling the trigger releases the sear, allowing the cocking piece to move forward and strike the firing pin.

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