This video details a comprehensive inspection of Ruger AR556 upper receivers, focusing on critical alignment and assembly checks. It covers verifying front sight post and barrel extension alignment, assessing barrel nut torque, measuring gas port size, checking feed ramp compatibility, and diagnosing potential issues with bolt carriers and receiver tolerances affecting magazine compatibility. The expert guide provides step-by-step instructions for these checks, highlighting common problems and their potential impact on firearm function and accuracy.
You've reached the end! 1 videos loaded.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.
