Your Rifle Stock Is Probably Set Wrong

Published on February 22, 2026
Duration: 0:21

Instruction from Jeff McBee of Tenicor highlights a common error: keeping rifle stocks fully collapsed. For most AR-15/M4 carbine systems, a fully extended adjustable stock is generally the optimal setting for proper fit and shooting ergonomics. This technique ensures better control and accuracy by accommodating the individual shooter's body and gear.

Quick Summary

For most shooters using standard carbine-length AR-15/M4 platforms, a fully extended adjustable stock is generally the best setting. Avoid keeping stocks fully collapsed, as this often leads to an improper fit for adult shooters and compromises shooting ergonomics.

Chapters

  1. 00:00Common Stock Length Mistakes
  2. 00:04Purpose of Adjustable Stocks
  3. 00:12Optimal Length for Carbines

Frequently Asked Questions

Why should I avoid keeping my rifle stock fully collapsed?

Keeping your rifle stock fully collapsed is a common mistake that often results in an improper fit for adult shooters. Adjustable stocks are designed to be extended to match your body and gear for better control and accuracy.

What is the optimal stock length for a standard carbine?

For most shooters using standard carbine-length systems like the AR-15, having the stock fully extended is generally the best general setting. This provides a proper length of pull for consistent shouldering and aiming.

How do adjustable rifle stocks improve shooting?

Adjustable rifle stocks allow you to customize the length of pull to fit your individual body dimensions and shooting gear. This personalized fit enhances control, reduces fatigue, and improves overall shooting accuracy and consistency.

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