3D Printed .50 BMG

Published on April 9, 2024
Duration: 23:01

This video showcases the 'Mammoth 50,' a 3D-printed .50 BMG rifle project featuring a Ligamec Raptor-50 upper receiver. The build highlights the challenges and evolution of using different 3D printing materials, moving from PLA+ to Polymaker PA6-GF for improved durability, though structural integrity at glue joints remains a concern. It demonstrates the extreme recoil and power of the .50 BMG round, even with a custom muzzle brake and modified LaRue trigger, and tests the limits of 3D-printed components like the monopod.

Quick Summary

The Mammoth 50 is a 3D-printed .50 BMG rifle project using a Ligamec Raptor-50 upper receiver. It evolved from PLA+ to Polymaker PA6-GF (Glass Fiber Nylon) for better durability, though PLA+ might offer more rigidity. The build features a modified LaRue trigger and a custom stock, but a 3D-printed monopod failed under recoil.

Chapters

  1. 00:41Introducing the Mammoth 50 .50 BMG Build
  2. 02:18Raptor-50 Upper Receiver & Build Components
  3. 03:513D Printing Materials: PLA+ vs. Glass Fiber Nylon
  4. 05:21Customizing the LaRue MBT-2S Trigger
  5. 06:06Barrel, Muzzle Brake & Recoil Management
  6. 07:11Burris Scope & 3D Printed Stock Features
  7. 08:35Live Fire Testing: Monopod Failure & Rifle Power
  8. 13:33Final Analysis: PLA+ vs. Nylon for Chassis

Frequently Asked Questions

What is the Mammoth 50?

The Mammoth 50 is a custom-built .50 BMG rifle project that heavily utilizes 3D-printed components. It features a commercial Ligamec Raptor-50 upper receiver, a modified LaRue trigger, and a custom stock, showcasing the possibilities and challenges of 3D printing for high-caliber firearms.

What 3D printing materials were used for the Mammoth 50?

The project evolved from using PLA+ to Polymaker PA6-GF (Glass Fiber Nylon). While Nylon offers better temperature resistance and durability, the video suggests PLA+ might be more rigid for the chassis, as Nylon can flex at glue joints under extreme stress.

How does the 3D-printed monopod perform on the Mammoth 50?

During live fire testing, the 3D-printed monopod failed immediately upon the first shot due to the extreme recoil of the .50 BMG round. This highlights a limitation of using 3D-printed accessories for such powerful firearms.

What are the key components of the Mammoth 50 build?

The Mammoth 50 build includes a Ligamec Raptor-50 upper receiver, a modified LaRue MBT-2S trigger, a Burris Fullfield II 4.5-14x scope, and a custom 3D-printed stock and monopod. The barrel is approximately 28-30 inches long with a large muzzle brake.

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