223 Rem - 70gr Hornady GMX vs 70gr Barnes TSX

Published on September 27, 2021
Duration: 19:23

This video details a reloading process for the .223 Remington cartridge, focusing on testing two lead-free bullets: the 70gr Hornady GMX and the 70gr Barnes TSX, using Power Pro 2000 MR powder. The instructor systematically tests various bullet seating depths to optimize accuracy, observing trends in group size, velocity, and consistency. The goal is to develop a reliable load for whitetail deer hunting.

Quick Summary

This reloading test for .223 Remington compares 70gr Hornady GMX and 70gr Barnes TSX bullets using Power Pro 2000 MR powder. The instructor systematically tests various bullet seating depths, finding that deeper seating can improve accuracy while reducing velocity. The Hornady GMX achieved a 0.66-inch group at 2.215" COL, showing promising results for deer hunting.

Chapters

  1. 00:00Introduction & New Location
  2. 00:14Deer Load Goal: .223 Rem Lead-Free
  3. 00:47Bullet Comparison: Barnes TSX vs Hornady GMX
  4. 01:10Barnes Load Data & Powder Recommendation
  5. 02:47Hornady Load Data & Powder Options
  6. 03:34Testing Bullet Jump to Lands
  7. 04:00Magazine Length Limitations
  8. 04:36Primers and Brass Selection
  9. 04:52Seating Bullets: 25gr Power Pro 2000 MR
  10. 06:16Hornady GMX COL Testing Begins
  11. 10:06Hornady GMX: 2.290" COL Results
  12. 11:18Hornady GMX: 2.265" COL Results
  13. 11:53Hornady GMX: 2.240" COL Results
  14. 12:28Hornady GMX: 2.215" COL Results (Best Group)
  15. 13:14Hornady GMX: 2.190" COL Results (Final)
  16. 14:28Barnes TSX COL Testing Begins
  17. 14:54Barnes TSX: 2.300" COL Results
  18. 15:57Barnes TSX: 2.275" COL Results (Good Group)
  19. 16:25Barnes TSX: 2.250" COL Results
  20. 17:21Barnes TSX: 2.225" COL Results
  21. 17:53Barnes TSX: 2.200" COL Results (Final)
  22. 18:33Analysis & Next Steps

Frequently Asked Questions

What are the key bullet types tested for .223 Remington deer loads?

The video compares the 70-grain Hornady GMX and the 70-grain Barnes TSX, both lead-free bullet options designed for hunting applications. The goal is to find an accurate load for whitetail deer.

What powder is recommended for the 70gr Barnes TSX in .223 Remington?

Barnes' load data recommends Power Pro 2000 MR for their 70gr TSX bullet in .223 Remington. The instructor uses 25 grains of this powder, noting it's a lighter load that should not cause excessive pressure issues.

How does bullet seating depth affect accuracy in .223 Remington loads?

Testing shows that bullet seating depth significantly impacts accuracy. Seating the bullet deeper into the case (reducing overall length) can tighten groups and reduce velocity, as observed with both Hornady GMX and Barnes TSX bullets.

What were the best accuracy results achieved in the .223 Remington load test?

The best group for the 70gr Hornady GMX was 0.66 inches at an overall length of 2.215 inches. The 70gr Barnes TSX achieved its best group at 0.69 inches with an overall length of 2.275 inches.

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