Quick Tip: What's the Best Barrel Length for an AR-15?
Brownells experts Steve and Caleb provide a comprehensive guide to AR-15 barrel lengths, highlighting the 16-inch standard and the growing popularity of the 13.7-inch barrel for its balance of size and performance. They detail legal considerations for barrel length, such as pinning muzzle devices, and discuss the ballistic trade-offs associated with different lengths, emphasizing that beyond 18 inches, gains are minimal. The discussion also touches on how barrel thickness impacts accuracy through heat management and reduced whip.













