Brandon's MARSOC MK18 Clone Overview

Published on March 14, 2024
Duration: 12:24

This video provides an in-depth overview of a MARSOC-style MK18 clone build by Brandon from T.REX Arms. It details the specific components used, including a Criterion Core 10.3-inch barrel and Aero Precision lower, emphasizing functionality over strict clone correctness. The review covers front-end accessories like a Knight's Armament suppressor and a custom light/laser setup, optics including an EOTech with magnifier, and ergonomic enhancements like a B5 stock and BAD lever. Internal upgrades like a Geissele trigger and buffer system are also discussed, offering practical advice for optimizing the platform.

Quick Summary

Brandon's MARSOC MK18 clone build utilizes a 10.3-inch Criterion Core barrel and Aero Precision lower. Key accessories include a Knight's Armament suppressor and an EOTech optic with magnifier. Ergonomic upgrades like a BAD lever and internal improvements such as a Geissele trigger are featured.

Chapters

  1. 00:32Introduction to the MK18 Clone Build
  2. 02:15Front-End Components: Suppressor & Light/Laser
  3. 05:19Optics and Sights: EOTech & Magnifier
  4. 06:00Ergonomics: Stock, Grip, and BAD Lever
  5. 10:19Internal Upgrades: Trigger & Buffer System

Frequently Asked Questions

What barrel and lower receiver are used in Brandon's MARSOC MK18 clone?

Brandon's MK18 clone features a 10.3-inch Criterion Core barrel and an Aero Precision lower receiver. This choice prioritizes performance and modern manufacturing over strict adherence to original Colt or FN specifications for a clone build.

What are the key accessory upgrades on this MK18 build?

The build includes a Knight's Armament 'corncob' suppressor and a custom light/laser setup with a dual pressure pad for flexible activation. An EOTech red dot sight with an M33 magnifier is also present, though noted as more common in training.

How does Brandon improve the ergonomics and controls of his MK18 clone?

Ergonomic enhancements include using paracord for sling attachments to reduce noise, a B5 stock, a Magpul MIAD pistol grip, and a BAD lever for faster bolt catch manipulation. These aim for practical usability.

What internal upgrades are recommended for the MK18 clone?

Brandon recommends a Geissele two-stage trigger for improved feel. He also suggests the Geissele Super 42 buffer and spring system to help mitigate the MK18's reputation for being over-gassed and enhance reliability.

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