Loading 300 Blackout - ep 3 - Zeroing the gun and initial accuracy testing

Published on September 6, 2015
Duration: 15:26

This video details the process of zeroing a 300 Blackout pistol at approximately 60 yards using Winchester 296 loaded with 150-grain Hornady Interlocks. The instructor demonstrates incremental optic adjustments based on shot placement, emphasizing the importance of observing group sizes and firearm function. The session also highlights challenges with improvised shooting rests and environmental factors, concluding with an assessment of the ammunition's performance and brass condition.

Quick Summary

Zeroing a 300 Blackout pistol at 60 yards involves firing shots at a central aim point and making incremental optic adjustments. The Winchester 296 powder with 150-grain Hornady Interlocks performed well, producing good groups. Challenges include unstable shooting rests and the need for careful load data extrapolation for this versatile cartridge.

Chapters

  1. 00:01Introduction & Goal
  2. 00:16Ammunition Details
  3. 00:59Initial Shots & Assessment
  4. 01:58Optic Adjustments
  5. 03:19First Group Evaluation
  6. 03:54Continued Zeroing
  7. 04:37Shooting Rest Issues
  8. 05:47Accuracy Check
  9. 06:15Need for Better Rest
  10. 06:35Aiming for Bottom-Left Dot
  11. 07:03Trigger Quality Observation
  12. 07:28Ten Shot Group
  13. 08:18Full Magazine Test
  14. 09:05Rapid Fire Accuracy
  15. 09:52Brass Collection & Initial Review
  16. 10:20Zero Achieved & Next Steps
  17. 10:26Brass Inspection Details
  18. 11:08Future Load Development Powders
  19. 12:23300 Blackout Load Data Challenges
  20. 13:10Addressing Viewer Load Issues
  21. 14:00Next Load Workup Plan
  22. 15:19Conclusion & Next Video

Frequently Asked Questions

How do you zero a 300 Blackout pistol at 60 yards?

To zero a 300 Blackout pistol at 60 yards, start by firing shots at a central aiming point. Assess the group's location relative to your aim. Make incremental adjustments to your optic's elevation and windage based on the shot placement, firing additional shots after each adjustment to confirm accuracy.

What ammunition was used for zeroing the 300 Blackout pistol?

The 300 Blackout pistol was zeroed using a handload featuring Winchester 296 powder and 150-grain Hornady Interlock bullets. This ammunition performed reliably and produced good accuracy during the testing phase.

What are common challenges when zeroing a firearm?

Common challenges include inadequate shooting rests, which can be affected by muzzle blast, and environmental factors like weather. The quality of the firearm's trigger can also impact consistent shot placement during the zeroing process.

Why is load data for 300 Blackout sometimes difficult to find?

Load data for 300 Blackout can be challenging to find because it's a versatile cartridge with many bullet weights and powder options. This often requires reloaders to extrapolate data or rely on less common sources, making careful testing crucial.

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