Perfectly Upgrading The Benelli M4 ($4500 Setup)

Published on August 2, 2025
Duration: 9:52

This guide details the comprehensive upgrade process for a Benelli M4 shotgun, transforming it into a $4500 custom build. The video, presented by Vietac, demonstrates advanced firearm modification techniques, including internal trigger group enhancements, extended magazine capacity, and ergonomic improvements. The expert-level instruction covers parts compatibility and installation, culminating in a performance test at an indoor range.

Quick Summary

A $4500 Benelli M4 build focuses on enhancing capacity, ergonomics, and reliability. Key upgrades include a 7-round extended magazine, Taran Tactical Innovations (TTI) trigger components to prevent 'Benelli thumb', an oversized charging handle, an M-LOK handguard, and an Aimpoint Micro T-2 red dot sight for improved performance and aiming.

Chapters

  1. 00:00Introduction and Concept
  2. 01:01Magazine and Internal Upgrades
  3. 04:01Trigger Group and Internal Controls
  4. 05:48External Controls and Handguard
  5. 07:11Optics and Final Accessories
  6. 08:39Range Testing and Performance

Frequently Asked Questions

What are the key upgrades for a $4500 Benelli M4 build?

A $4500 Benelli M4 build typically includes a 7-round extended magazine, Taran Tactical Innovations (TTI) trigger group enhancements, an oversized charging handle, an M-LOK handguard, and an Aimpoint Micro T-2 red dot sight for improved capacity, ergonomics, and aiming.

How do you prevent 'Benelli thumb' on a Benelli M4?

'Benelli thumb' can be prevented by installing an enhanced shell lifter, often from brands like Taran Tactical Innovations (TTI). This modification helps guide shells smoothly into the magazine, reducing the risk of the bolt carrier pinching the shooter's thumb during reloads.

What optic is recommended for a custom Benelli M4 build?

An Aimpoint Micro T-2 red dot sight is a popular and highly recommended optic for custom Benelli M4 builds. It offers a 2 MOA dot, 1x magnification, and exceptional battery life (50,000 hours), ensuring fast target acquisition and reliability.

What tools are needed for Benelli M4 upgrades?

Essential tools for Benelli M4 upgrades include a bench vise and a heat source (like a heat gun) to remove thread locker from the factory magazine tube. Various specialized aftermarket parts are also required for the specific modifications.

Related News

All News →

More Gunsmithing & DIY Videos You Might Like

More from Vietac

View all →