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

Published on March 28, 2022
Duration: 21:19

This video details the development of the AK-50 V3, a .50 BMG rifle based on the AK platform, by Brandon Herrera. It highlights the use of 3D printing for rapid prototyping of components like the receiver and bolt, focusing on design refinements for the V3 iteration including a bulged RPK-style receiver and a helical tri-lug bolt for improved reliability. The project emphasizes iterative design and testing to achieve a production-ready firearm.

Quick Summary

The AK-50 V3, a .50 BMG rifle project by Brandon Herrera, leverages 3D printing for rapid prototyping of its receiver and bolt. Key improvements include a bulged RPK-style receiver for enhanced strength and a helical tri-lug bolt design for improved cycling reliability, maintaining AK platform aesthetics and function.

Chapters

  1. 00:00AK-50 Project Introduction & History
  2. 01:013D Printing for Prototyping
  3. 03:40Major Design Changes in V3
  4. 04:38Receiver Evolution: V2 vs. V3
  5. 07:103D Printing Infrastructure Tour
  6. 10:15Bolt and Trunnion Engineering
  7. 11:58Fire Control and Receiver Geometry
  8. 15:23Feeding Tests and R&D Philosophy

Frequently Asked Questions

What are the key design improvements in the AK-50 V3 compared to previous versions?

The AK-50 V3 focuses on refining the receiver design with a bulged RPK-style trunnion for strength and incorporates a helical tri-lug bolt for improved cycling reliability, moving away from the V2's simpler square-tube receiver and flat-lug bolt.

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

3D printing is extensively used for creating rapid prototypes of complex components like the bolt carrier and receiver mockups. This allows for quick iteration, ergonomic testing, and validation of part interactions before committing to expensive machining processes.

What is the significance of the helical tri-lug bolt in the AK-50 V3?

The helical tri-lug bolt design, inspired by traditional AKs, enhances reliability during the bolt's cycling and lockup phases. This is crucial for managing the high pressures and stresses associated with firing .50 BMG ammunition.

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

The AK-50 V3 employs a bulged front trunnion receiver, similar to RPK and milled AK designs. This geometry provides increased strength to handle the .50 BMG cartridge and also allows clearance for a standard AK fire control group.

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