Custom K31 Sporter

Published on September 28, 2014
Duration: 20:01

Iraqveteran8888's Eric details a custom K31 sporter build, highlighting modifications like a Rock Solid Industry mount, Bluegrass stock, and Hammerli trigger. The rifle, chambered in 7.5x55mm Swiss, is tested with handloads featuring Sierra MatchKing bullets, demonstrating impressive sub-MOA accuracy at 100 yards and effective engagement of steel targets at 300 and 440 yards. This build transforms a surplus rifle into a capable precision instrument.

Quick Summary

Iraqveteran8888 details a custom K31 sporter build in 7.5x55mm Swiss, featuring a Rock Solid Industry mount, Bluegrass stock, and Hammerli trigger. Tested with handloads using 168gr Sierra MatchKings, the rifle achieved sub-MOA accuracy at 100 yards and successfully engaged steel targets at 300 and 440 yards, proving its precision capabilities.

Chapters

  1. 00:00Introduction to the Custom K31 Sporter
  2. 00:51Component Breakdown
  3. 01:18Optics and Ammunition
  4. 02:29100-Yard Accuracy Test
  5. 07:52300-Yard Steel Engagement
  6. 10:05Long Range Testing at 440 Yards

Frequently Asked Questions

What modifications were made to the K31 rifle in the video?

The K31 was sporterized with a Rock Solid Industry scope mount, a Bluegrass custom stock featuring an adjustable cheek piece, and a Hammerli trigger assembly. A Zeiss Conquest 3-9x50 MC optic was also installed.

How accurate was the custom K31 sporter during testing?

During testing, the custom K31 sporter achieved sub-MOA accuracy at 100 yards using 168gr Sierra MatchKing bullets. It also demonstrated consistent hits on steel targets at 300 and 440 yards.

What ammunition was used for testing the custom K31 sporter?

The rifle was tested with handloads featuring 168gr and 175gr Sierra MatchKing projectiles, propelled by Varget powder. The 168gr load specifically yielded sub-MOA results at 100 yards.

What range engagements were performed with the custom K31 sporter?

The custom K31 sporter was tested at 100 yards for accuracy, then engaged 6-inch AR500 steel poppers at 300 yards, and finally a 22-inch steel plate at 440 yards.

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