6.5 Creedmoor - 142gr Sierra Match King with H4350 & IMR4451

Published on June 16, 2018
Duration: 20:00

This video details a 6.5 Creedmoor load development for a Thompson Center Compass rifle, comparing IMR 4451 and Hodgdon H4350 powders with 142gr Sierra Match King bullets. Both powders yielded accurate results, with H4350 achieving a slightly tighter 0.481-inch group at 100 yards compared to IMR 4451's best of 0.664 inches. The testing emphasizes precise brass preparation and consistent reloading techniques for optimal ballistic performance.

Quick Summary

Hodgdon H4350 powder delivered the best accuracy for 6.5 Creedmoor loads, achieving a 0.481-inch group at 100 yards with 142gr Sierra Match King bullets. IMR 4451 also performed well, with a best group of 0.664 inches, indicating both are viable options for this caliber.

Chapters

  1. 00:00Intro & Equipment Overview
  2. 01:01Components & Powder Selection
  3. 02:14Brass Prep & Load Data
  4. 05:01Reloading Process Demo
  5. 07:01Range Testing: IMR 4451
  6. 11:12Range Testing: H4350
  7. 15:21Final Results & Analysis

Frequently Asked Questions

What were the best accuracy results for 6.5 Creedmoor loads tested?

In the 6.5 Creedmoor test, Hodgdon H4350 powder achieved the best group size of 0.481 inches at 100 yards with 142gr Sierra Match King bullets. IMR 4451 powder yielded a best group of 0.664 inches under similar conditions.

Which powders were compared for the 6.5 Creedmoor load development?

The video compares IMR 4451 and Hodgdon H4350 powders for 6.5 Creedmoor reloads. Both are shown to be effective, with H4350 producing slightly better accuracy in this specific test using 142gr Sierra Match King bullets.

What is the recommended COAL for 6.5 Creedmoor loads with 142gr Sierra Match King bullets?

The recommended COAL (Cartridge Overall Length) for the 6.5 Creedmoor loads using 142gr Sierra Match King HPBT bullets was 2.810 inches. This measurement was based on data provided by Sierra.

What rifle was used for the 6.5 Creedmoor range testing?

The range testing for the 6.5 Creedmoor loads was conducted using a Thompson Center Compass bolt-action rifle. It was equipped with a SilencerCo Omega suppressor and a MagnetoSpeed chronograph for data collection.

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