Best AR-15 Flared Magwell : Driven Arms Co Slip Fit Tutorial

Published on January 14, 2026
Duration: 0:56

This guide details the installation of the Driven Arms Co Slip Fit Magwell (SFM) on an AR-15, specifically compatible with Aero Precision M4E1 lower receivers. The SFM enhances magazine well funnel size by 170% for faster reloads, particularly useful in low-light or night vision conditions. The installation process is straightforward, requiring basic tools and thread locker. The speaker, demonstrating high authority, highlights its low-profile design and compatibility with accessories like the Magpul BAD Lever.

Quick Summary

The Driven Arms Co Slip Fit Magwell enhances AR-15 reloading by increasing the funnel size by 170%, aiding speed and reliability in low-light or NVG conditions. Installation on Aero Precision M4E1 lowers is simple: slip on, secure with a screw and thread locker, and tighten moderately. Made from PA11 Nylon Polymer, it's lightweight and integrates smoothly.

Chapters

  1. 00:00Product Introduction and Features
  2. 00:18Installation Tutorial
  3. 00:32Comparison and Aesthetics
  4. 00:40Performance Demonstration

Frequently Asked Questions

What is the main benefit of the Driven Arms Co Slip Fit Magwell?

The Driven Arms Co Slip Fit Magwell significantly increases the magazine funnel size by 170%, making magazine changes faster and more reliable, especially in stressful or low-light situations. It also features a low-profile design.

How do you install the Driven Arms Co Slip Fit Magwell?

Installation involves removing the original screw, slipping the magwell onto the receiver, reinserting the screw with thread locker, tightening until the seam meets, and then adding a half turn.

What AR-15 lower receivers is the Driven Arms Co Slip Fit Magwell compatible with?

The Driven Arms Co Slip Fit Magwell is specifically compatible with Aero Precision M4E1 lower receivers. It also works with battery assist devices like the Magpul BAD Lever and ambidextrous lowers.

What material is the Driven Arms Co Slip Fit Magwell made from?

The Driven Arms Co Slip Fit Magwell is constructed from PA11 Nylon Polymer, contributing to its lightweight (0.5 oz) and durable characteristics.

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