AK-50: August 2020 Update

Published on August 4, 2020
Duration: 12:58

This August 2020 update for the AK-50 project showcases a massive, custom-designed rear trunnion built for the .50 BMG caliber. The design incorporates a floating trunnion system with an aggressive buffer to manage recoil, especially from hot loads or suppressed fire. The project remains self-funded, with the next steps focusing on the bolt carrier assembly and riveting the trunnions into the planned stamped receiver.

Quick Summary

The AK-50's new rear trunnion is a massive, custom-designed component featuring a 'floating' two-piece assembly with an aggressive buffer. This design is crucial for managing the extreme recoil of the .50 BMG cartridge, protecting the firearm from damage during hot loads or suppressed fire.

Chapters

  1. 00:00Introduction & Project History
  2. 02:20AK Rear Trunnion Explained
  3. 03:26Trunnion Comparison: AKM vs. PKM vs. AK-50
  4. 04:35AK-50 Prototype Rear Trunnion Reveal
  5. 06:01Floating Trunnion & Buffer System Design
  6. 10:09Project Status & Next Steps

Frequently Asked Questions

What is the purpose of the rear trunnion in an AK-style firearm?

The rear trunnion serves multiple functions: it's the primary mounting point for the rifle's stock, it houses and secures the recoil spring assembly, and it acts as a crucial physical stop for the bolt carrier group as it travels rearward during the firing cycle.

How does the AK-50's new rear trunnion design differ from standard AKs?

The AK-50's rear trunnion is significantly larger and more robust, designed for the .50 BMG caliber. It features a unique 'floating' two-piece design with an aggressive buffer system to manage extreme recoil, unlike the solid, single-piece trunnions found on standard AKM or PKM rifles.

What are the next major steps for the AK-50 project?

The immediate next steps for the self-funded AK-50 project involve machining the final bolt and carrier assembly. Following that, the team plans to rivet the newly designed trunnions into the prototype stamped sheet metal receiver.

Why is the AK-50 using a floating trunnion and buffer system?

The floating trunnion and buffer system are implemented to absorb excess energy generated by the powerful .50 BMG cartridge, especially during hot loads or suppressed fire. This design aims to prevent harsh steel-on-steel impacts, thereby increasing the firearm's service life and reliability.

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