5.45 & 5.56 SBR - SPINNER CHALLENGE

Published on March 4, 2022
Duration: 7:01

This InRangeTV video details a 'Spinner Challenge' designed to test the effectiveness of different barrel lengths and calibers on a spinner target at 50 yards. Expert instruction highlights the significant impact of sighting systems, particularly iron sights with short sight radii, on accuracy and the ability to consistently spin the target. The challenge demonstrates that both 5.45x39mm from a full-length AK-74 and 5.56x45mm from an 8.5-inch SBR can successfully spin the target, with sighting limitations being the primary obstacle.

Quick Summary

The InRangeTV Spinner Challenge demonstrates that both 5.45x39mm from an AK-74 and 5.56x45mm from an 8.5-inch SBR can spin a target at 50 yards. Expert analysis emphasizes that sighting system limitations, such as iron sights and short sight radius, are more critical factors than barrel length or bullet velocity for this task.

Chapters

  1. 00:00Intro to Spinner Challenge
  2. 00:16Challenge Setup & Degreasing Spinner
  3. 01:145.45 AK-74 Test
  4. 02:26Fagin's 5.45 Experience & Challenges
  5. 03:19Matt's 5.56 SBR Test
  6. 05:005.56 SBR Results & Discussion
  7. 05:30Conclusion: Sighting System Limitations
  8. 06:47Support InRangeTV on Patreon

Frequently Asked Questions

What is the InRangeTV Spinner Challenge?

The InRangeTV Spinner Challenge is a test designed to evaluate how barrel length and bullet velocity affect a firearm's ability to spin a target at 50 yards. It specifically compares a 5.45 AK-74 against a 5.56 SBR, highlighting the impact of sighting systems.

Does barrel length significantly impact spinning a target at 50 yards?

While bullet energy is a factor, the InRangeTV challenge suggests that the sighting system, particularly iron sights with a short sight radius, is a more significant limitation than barrel length for spinning a target at 50 yards.

What are the main challenges when shooting an AK-74 at 50 yards offhand?

Shooting an AK-74 at 50 yards offhand with iron sights presents challenges due to the short sight radius and the need for precise front sight focus, which becomes difficult as the target moves, potentially leading to accuracy issues.

How does a short sight radius affect shooting performance?

A short sight radius, common on SBRs and some AK platforms, makes precise alignment of the front and rear sights more difficult. This can hinder accuracy and slow down sight picture recovery, especially at distance or with moving targets.

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