Designing a .50 BMG AK - AK-50 V3 Update #1

Published on March 28, 2022
Duration: 21:19

Brandon Herrera provides an update on the AK-50 V3 project, detailing significant design refinements for production. Key improvements include a new RPK-style bulged front trunnion receiver and a helical tri-lug bolt for enhanced reliability. The team is leveraging 3D printing for rapid prototyping and ergonomic testing before committing to expensive machining.

Quick Summary

The AK-50 V3 project introduces significant design refinements for production, including a new RPK/PSL-style bulged front trunnion receiver and a helical tri-lug bolt for enhanced reliability. 3D printing is utilized for rapid prototyping and ergonomic testing before machining.

Chapters

  1. 00:00AK-50 Project History & V3 Intro
  2. 01:013D Printing for Prototyping
  3. 03:40Key V3 Design Improvements
  4. 04:38Receiver Evolution: V2 vs. V3
  5. 07:10Shop 3D Printing Setup Tour
  6. 10:15Bolt & Trunnion Engineering
  7. 11:58Fire Control & Receiver Geometry
  8. 15:23Feeding Tests & R&D Philosophy

Frequently Asked Questions

What are the main design changes in the AK-50 V3?

The AK-50 V3 focuses on production refinement with three primary improvements: the receiver design, the bolt lockup mechanism, and overall cosmetics/ergonomics, including optic mounting and furniture.

How is 3D printing being used in the AK-50 V3 development?

3D printing is used extensively for creating mockups to test part interaction and ergonomics before committing to expensive machining. This allows for rapid iteration and feedback on complex components like the bolt and receiver.

What is the new bolt design for the AK-50 V3?

The V3 features a tri-lug bolt with helical lugs, inspired by traditional AK designs, and incorporates a bump pin to initiate bolt rotation, aiming for improved reliability during cycling.

What type of receiver design is used in the AK-50 V3?

The V3 moves towards a dedicated 'bulged' front trunnion design, similar to an RPK or PSL rifle. This enhances structural integrity to handle the stresses of .50 BMG while maintaining AK aesthetics.

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