Mk12 Mod0 suppressed (BCM vs. PRI) Special Forces rifle + MK262 ammo + AEM5 - accuracy review

Published on October 18, 2018
Duration: 11:17

This review compares a PRI Mk12 Mod0 upper with a BCM reproduction, evaluating accuracy with MK262 and similar 77-grain loads. The BCM upper showed a 4% average accuracy improvement. The Allen Engineering AEM5 suppressor significantly reduced group sizes by 30% with zero point-of-impact shift, demonstrating its effectiveness. A technical flaw in the BCM barrel's suppressor collar was also identified.

Quick Summary

The Mk12 Mod0 SPR, a SOCOM rifle, was compared between PRI and BCM versions using MK262 ammo. The BCM showed 4% better accuracy, and the AEM5 suppressor reduced group sizes by 30% with no POI shift.

Chapters

  1. 00:00Introduction: Mk12 Mod0 SPR
  2. 00:26Ammo & Suppressor Overview
  3. 00:55Mk12 Historical Context
  4. 01:52Mk12 Mod0 Design Features
  5. 03:22Accuracy Testing Methodology
  6. 03:58Ammunition Performance Results
  7. 05:03Suppressor Impact Analysis
  8. 07:10Long Range & Technical Issues

Frequently Asked Questions

What is the Mk12 Mod0 Special Purpose Rifle?

The Mk12 Mod0 SPR is a classic Global War on Terror rifle developed by SOCOM for designated marksmen. It features a PRI carbon fiber handguard and was designed around the 77-grain Mk262 cartridge for superior ballistics.

How did the BCM and PRI Mk12 Mod0 uppers compare in accuracy?

In accuracy testing, the BCM reproduction upper performed slightly better, showing a 4% average improvement over the original PRI factory upper, particularly with IMI and Magtech 77-grain ammunition.

What effect does the Allen Engineering AEM5 suppressor have on accuracy?

Testing revealed the AEM5 suppressor had a significant positive impact, reducing average group sizes by 30% without causing any point-of-impact shift, especially improving performance with IMI and Black Hills loads.

What ammunition was used for the Mk12 Mod0 accuracy review?

The review tested popular 75 to 77-grain ammunition, including Black Hills Mk262 Mod1, IMI Razor Core, Magtech 77gr Match, and Hornady Black 75gr, focusing on their performance in the Mk12 platform.

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