9" 300 Blackout BCM AR-Pistol

Published on March 31, 2020
Duration: 8:43

This video provides a detailed build breakdown of a 9-inch 300 Blackout BCM AR-Pistol. The presenter, Benoit from Tactical Fellowship, shares his experience piecing together components over two years, highlighting specific brands and their functionalities. He discusses the rationale behind component choices, including the BCM upper, Aero Precision lower, SBA 3 brace, and various accessories like the Trijicon MRO and Surefire light, offering insights into ergonomic choices and potential future modifications.

Quick Summary

The 9" 300 Blackout BCM AR-Pistol build features a BCM upper with a 9-inch barrel and 8-inch KeyMod rail, an Aero Precision M41 lower, and an SB Tactical SBA3 brace. Key accessories include a LaRue MBT-2S trigger, Trijicon MRO optic with Scalarworks mount, and a Surefire M952 weapon light.

Chapters

  1. 00:00Introduction
  2. 00:36Build Overview & Motivation
  3. 01:05Lower Receiver Components
  4. 01:21Brace and Grip
  5. 01:37Upper Receiver Components
  6. 01:44Weapon Light Setup
  7. 01:54Front Sight and Flash Hider
  8. 02:00Optic and Rear Sight
  9. 02:20Lower Receiver Deep Dive
  10. 02:42SBA3 Brace Details
  11. 03:20Magpul MOE K2 Grip
  12. 03:38Trigger and Pins
  13. 03:55Bad Lever
  14. 04:09Upper Receiver - BCM 300 Blackout
  15. 04:33Surefire Flash Hider & Suppressor Prep
  16. 04:59Scalarworks PEAK Front Sight
  17. 05:16Surefire M952 Light Mounting
  18. 05:45Surefire Pressure Switch
  19. 05:55Griffin Armament Rear Sight
  20. 06:02Trijicon MRO & Scalarworks Mount
  21. 06:24Strike Industries Charging Handle & Dust Cover
  22. 07:00Sling Setup
  23. 07:09Potential Modifications & Buffer Recommendations
  24. 07:57Final Thoughts & Enjoyment
  25. 08:26Viewer Engagement

Frequently Asked Questions

What are the key components of the 9" 300 Blackout BCM AR-Pistol build?

The build features a BCM 9-inch 300 Blackout upper with an 8-inch KeyMod rail, an Aero Precision M41 lower, an SB Tactical SBA3 brace, a LaRue MBT-2S trigger, a Trijicon MRO optic with a Scalarworks mount, and a Surefire M952 weapon light.

Why is the Magpul MOE K2 grip recommended for short AR pistols?

The Magpul MOE K2 grip is recommended for short AR pistols because its more vertical angle offers better ergonomics for a shorter platform compared to a standard, more angled AR-15 grip.

What buffer is recommended for a BCM 9-inch 300 Blackout upper?

For a BCM 9-inch 300 Blackout upper, it is recommended to use an H2 buffer and place a small rubber O-ring underneath the ejector to ensure proper cycling, especially with subsonic ammunition.

What is the purpose of the Strike Industries charging handle's gas-catching lip?

The Strike Industries charging handle has a lip designed to catch gases, which may help mitigate gas blowback when shooting suppressed, though its effectiveness is unconfirmed by the presenter.

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