Mk12 Mod0 SPR to 800yds (Suppressed- AEM-5): Practical Accuracy (Vortex 2.5-10x32, SOCOM Rifle)

Published on August 2, 2018
Duration: 6:07

This Mk12 Mod0 SPR build, featuring a Vortex PST optic and AEM-5 suppressor, demonstrated practical accuracy out to 800 yards under challenging conditions. While the 5.56mm 77gr round proved effective, its performance significantly degrades past 750 yards due to transonic effects and energy loss. The rifle maintained consistency at mid-ranges, with the suppressor aiding in hearing safety despite causing some mirage.

Quick Summary

The Mk12 Mod0 SPR build was tested for practical accuracy out to 800 yards. While effective at mid-ranges, the 5.56mm 77gr round loses significant energy past 750 yards as it becomes transonic, making long-range hits more challenging due to wind susceptibility.

Chapters

  1. 00:00Introduction & Course Layout
  2. 00:41Rifle Specs & Weather Conditions
  3. 00:56Shooting: 150y to 500y Engagement
  4. 02:11Shooting: 600y to 800y Engagement
  5. 03:57Post-Shoot Analysis & Ballistics

Frequently Asked Questions

What distances were tested for the Mk12 Mod0 SPR practical accuracy?

The practical accuracy test for the Mk12 Mod0 SPR covered targets ranging from 150 yards up to 800 yards. Torso-sized targets were used for distances between 150 and 500 yards, while 1-2 MOA targets were utilized for the longer ranges of 600 to 800 yards.

How did the 5.56mm 77gr round perform at long range?

The 5.56mm 77gr round showed impressive consistency at mid-ranges but began to lose significant energy past 750 yards. At this point, the projectile becomes transonic, making accuracy harder to achieve and more susceptible to wind conditions.

What were the environmental conditions during the Mk12 Mod0 SPR accuracy test?

The shooting conditions were challenging, with temperatures reaching 102°F. Additionally, there were shifting winds ranging from 10 to 18 mph, which added difficulty to the long-range engagements.

Did the AEM-5 suppressor affect the shooting experience?

Yes, the Allen Engineering AEM-5 suppressor kept the rifle hearing safe, which is a primary benefit. However, it did contribute to mirage formation due to the high temperatures, potentially obscuring the target at longer distances.

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