The Shortest, Quietest SPR | 300BLK "Mini-MK12" MOD-W

Published on August 24, 2024
Duration: 7:40

This guide details the construction of a compact 300 Blackout SPR, dubbed the 'Mini-MK12' MOD-W, by T.REX ARMS founder Lucas Botkin. It covers component selection, assembly, and performance testing, emphasizing a balance between suppressed quietness, maneuverability, and precision. The build highlights the integration of high-quality components for a specialized role.

Quick Summary

The T.REX ARMS Mini-MK12 MOD-W is a compact SPR build featuring a 9-inch Criterion .300 Blackout barrel and a SureFire 300 SPS suppressor for reduced noise. Key components include Aero Precision and BCM receivers, a PRI handguard, and a Nightforce ATACR 1-8x24 optic, balancing maneuverability with precision.

Chapters

  1. 00:00Rifle Assembly
  2. 01:21Initial Testing and Suppressor Performance
  3. 01:49Dynamic Range Drills
  4. 03:19Gear Integration and Portability
  5. 04:33Precision Shooting and Stability

Frequently Asked Questions

What makes the T.REX ARMS Mini-MK12 MOD-W a "Shortest, Quietest SPR"?

The Mini-MK12 MOD-W achieves this title through its compact 9-inch barrel chambered in .300 Blackout, paired with a SureFire 300 SPS suppressor. This combination significantly reduces overall length and sound signature while maintaining SPR-like precision capabilities.

What are the key components of the T.REX ARMS Mini-MK12 MOD-W build?

The build features an Aero Precision lower, BCM upper, 9-inch Criterion .300 Blackout barrel (1:7 twist), PRI Gen III Delta handguard with Swan Sleeve, and a Nightforce ATACR 1-8x24 F1 optic, all assembled by Lucas Botkin.

How does the 9-inch barrel affect the rifle's performance?

The 9-inch barrel makes the rifle exceptionally maneuverable and compact, ideal for close-quarters or vehicle operations. When paired with .300 Blackout subsonic ammunition and a suppressor, it offers a significantly reduced sound signature.

What role does the SureFire 300 SPS suppressor play in this build?

The SureFire 300 SPS suppressor is crucial for the "quietest" aspect of the build. It effectively suppresses the muzzle blast of the .300 Blackout cartridge, making the rifle suitable for situations where sound discipline is important.

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