[Review] Foxtrot Mike FM-9B: Literal Millimeters of Clearance 😬

Published on February 25, 2021
Duration: 4:48

The Foxtrot Mike FM9B is a compact and concealable AR9 pistol praised for its excellent machining, familiar controls, and surprisingly good accuracy, earning it the nickname 'nail driver'. It reliably functions with Glock magazines and brass ammunition, featuring a patented last-round bolt hold-open. While its short barrel limits hand purchase and front rail space for accessories, its affordability and compact size make it an ideal truck or backpack gun.

Quick Summary

The Foxtrot Mike FM9B is a highly concealable AR9 pistol that accepts Glock magazines, featuring excellent machining and a patented last-round bolt hold-open. It offers surprisingly good accuracy and outstanding reliability with brass ammunition, making it an ideal truck or backpack gun, though its 4-inch model has limited accessory rail space.

Chapters

  1. 00:09Introduction to Foxtrot Mike FM9B
  2. 00:55Foxtrot Mike FM9B Overview
  3. 01:13FM9B Features: Rail, Grip, Mag Release
  4. 01:35Added Vortex Spark Red Dot
  5. 01:44FM9B Aesthetics and Controls
  6. 02:00Range Test Setup: Glock Mags & Brass Ammo
  7. 02:11FM9B Trigger Performance
  8. 02:21Ergonomics of the 4-inch FM9B
  9. 02:33Concealability: Truck Gun Potential
  10. 02:39FM9B Accuracy Test
  11. 02:51FM9B Reliability and Feeding
  12. 03:12Last Round Bolt Hold Open Feature
  13. 03:19What I Like About the FM9B
  14. 03:36Shortcomings of the FM9B
  15. 04:01Accessory Rail Limitations on Short Model
  16. 04:20Overall Conclusion: Fun Little Gun

Frequently Asked Questions

What is the Foxtrot Mike FM9B and what are its key features?

The Foxtrot Mike FM9B is a compact AR9 pistol known for its concealability and excellent machining. It accepts Glock magazines, features an M-LOK rail, an oversized magazine release, and a patented last-round bolt hold-open. The tested 4-inch barrel model is ideal for truck or backpack carry.

How does the Foxtrot Mike FM9B perform in terms of accuracy and reliability?

The FM9B offers surprisingly good accuracy, described as a 'nail driver'. It is highly reliable, functioning smoothly ('like butter') with brass ammunition. The reviewer noted that leaving one round out of the magazine can improve feeding ease.

What are the main drawbacks of the Foxtrot Mike FM9B?

Key shortcomings include its restriction to brass ammunition only, the fact that it doesn't come with any magazines, and the limited front rail space on the 4-inch model which restricts accessory mounting like lights while maintaining a full grip.

Is the Foxtrot Mike FM9B suitable for home defense?

While the FM9B is a fun and reliable firearm, the 4-inch model's limited accessory rail space makes it less ideal for home defense setups that typically require a weapon-mounted light. Longer barrel variants (5-inch or 10-inch) might be better suited for this purpose.

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