Custom K31 Sporter

Published on September 28, 2014
Duration: 20:01

This custom K31 sporter build, originally a 1958 surplus rifle, demonstrates exceptional precision with a Zeiss Conquest optic and a Bluegrass custom stock. Testing confirmed sub-MOA accuracy at 100 yards with handloaded 168gr Sierra MatchKings and consistent hits on steel targets out to 440 yards, highlighting its potential as a long-range precision rifle.

Quick Summary

This custom K31 sporter build achieves sub-MOA accuracy at 100 yards using 168gr Sierra MatchKings over Varget. It features a Bluegrass custom stock, Rock Solid Industry mount, and Zeiss Conquest optic, demonstrating reliable precision on steel targets out to 440 yards.

Chapters

  1. 00:00Introduction: Custom K31 Sporter
  2. 00:51Build Components: Stock, Mount, Trigger
  3. 01:18Optics & Ammunition Details
  4. 02:29100-Yard Accuracy Test Results
  5. 07:52300-Yard Steel Target Engagement
  6. 10:05440-Yard Long Range Precision Test

Frequently Asked Questions

What makes this K31 rifle a 'sporter' build?

The K31 was sporterized by replacing its original military stock with a custom Bluegrass stock designed for precision shooting, and adding a modern scope mount and optic.

How accurate is the custom K31 sporter rifle?

During testing, the rifle demonstrated exceptional sub-MOA accuracy at 100 yards with specific handloads, and consistently hit steel targets at 300 and 440 yards.

What components were used in the custom K31 build?

Key components include a Bluegrass custom stock, Rock Solid Industry scope mount, a Zeiss Conquest 3-9x50 optic, and a Hammerli surplus trigger.

What ammunition was used for testing the custom K31?

The rifle was tested with handloads featuring 168gr and 175gr Sierra MatchKing projectiles, specifically noting success with 168gr bullets over Varget powder.

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