Videos tagged with Tool Calibration

This follow-up video from School of the American Rifle confirms that a newly purchased Harbor Freight ICON professional compact torque wrench is within acceptable calibration limits. The instructor tested the wrench across its full range, both forward and reverse, and found it to be consistently less than one pound out of calibration, indicating good accuracy for its price point.

This video reviews the Harbor Freight ICON Professional Compact Click Torque Wrench (40-200 in-lb). Testing revealed the wrench to be significantly out of calibration, reading 48 in-lb when set to 40 in-lb. The instructor notes this inaccuracy makes it unsuitable for critical firearm applications like mounting AR-15 rail systems, which often have precise torque specifications.

This video provides an update on the Wheeler FAT Wrench, discussing its performance and the manufacturer's customer service. The instructor shares experiences with calibration issues across multiple generations of the tool, including one that was significantly out of spec after being dropped. Wheeler's response involved sending replacement units, highlighting their warranty and commitment to quality, even for tools used professionally.

This video details the use of a rare 1973 U.S.G.I. firing pin protrusion gauge for the M16 rifle. It explains the gauge's components, calibration process using a dial indicator and set ring gauge, and its application on an M16 bolt carrier group. The presenter demonstrates how to check firing pin protrusion against specified tolerances, comparing it to other methods and highlighting its historical significance.