Crush test!! Factory Choke vs Muller Choke These are both 28 gauge Chokes with the vice grip setting at the same setting Factory choke goes out of round .060" (Sixty Thousandths of an imch, also known as a 1/16") massive out of roundness, while Muller returns back to perfectly round within .001" (One thousandth of an inch). Note: one hair on your head measures .003" (Three thousandths of an inch) for reference!! Still think factory chokes are fine?? Your choke tubed gun barrels are usually harde

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