Our Favorite .300BLK CQB Loadout (Sig MCX Tacops)

Published on January 19, 2024
Duration: 18:48

This review details a custom Sig MCX Tacops build optimized for .300 Blackout CQB. Key features include a 6.75-inch barrel with a 1:5 twist, Dead Air Sandman K suppressor, Modlite OKW, L3Harris ATPIAL-C with a diffuser, Unity Tactical controls, and an EOTech on a Wilcox riser for night vision use. The build emphasizes fast reloads with an HRF RCM Magwell and uses Hornady 208gr subsonic rounds.

Quick Summary

The Sig MCX Tacops build features a 6.75-inch .300 Blackout barrel with a 1:5 twist, optimized for subsonic rounds. It includes a Dead Air Sandman K suppressor, Modlite OKW light, and an L3Harris ATPIAL-C with a Villain Weapon Systems diffuser for enhanced IR illumination in CQB.

Chapters

  1. 00:37Introduction: Sig MCX Tacops Build
  2. 01:40Front-End: Suppressor, Light & IR
  3. 02:19ATPIAL-C IR Illuminator Diffuser
  4. 04:06Controls & Ergonomics: Switches & Grips
  5. 05:18Optics & Riser for NVG
  6. 06:38Lower Receiver: Magwell & Charging Handle
  7. 07:42Night Vision Goggles: BNVD 1431 Mk II
  8. 10:55Live Fire Test: Subsonic .300 BLK

Frequently Asked Questions

What makes the Sig MCX Tacops build suitable for CQB?

The build is optimized for CQB with its 6.75-inch .300 Blackout barrel, a Dead Air Sandman K suppressor for reduced signature, an ATPIAL-C with a diffuser for room illumination, and an EOTech on a riser for night vision use.

How does the Villain Weapon Systems diffuser improve the ATPIAL-C?

The diffuser widens the ATPIAL-C's IR illuminator beam significantly, allowing it to flood an entire room (up to 15-20 feet spread). This is crucial for close-quarters battle compared to the stock narrow beam.

Why is a high-rise optic mount recommended for night vision?

A high-rise mount, like the Wilcox riser used here, facilitates passive aiming with night vision goggles. It allows for a more natural and comfortable head position, reducing fatigue during extended use.

What ammunition was used for the live fire demonstration?

The team tested the build using Hornady Black 208gr subsonic ammunition. This load is ideal for suppressed .300 Blackout systems, minimizing noise and recoil.

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