Len Waldron
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Len Waldron is a contributor to Gun Digest the Magazine.
AR-15
AR Basics: Issues That Mimic AR Gas System Problems
Informal tests might suggest an AR's gas system is to blame for a carbine's issues, but there are false positives that can muck up troubleshooting efforts.
AR-15
AR Basics: Initial Diagnosis Of AR Gas System Issues
To troubleshoot an AR gas system, the first step is figuring out if the gas system is to blame.
AR-15
AR Basics: Understanding Direct Impingement ARs
Most AR rifles utilize a direct impingement gas-operated system to cycle. Understanding it is key to troubleshooting this vital system.