Never had a problem with mine. It chambers every .22lr made. And I have shot a brick of Winchester Xpert .22's through it. It prefers Federal 550 Value Pack ammo for accuracy. Maybe the customer doesn't know what he's talking about? He might have the .17 HMR version instead of the .22LR...
Guns Have Only Two Enemies-Rust and Politicians
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If Guns Kill, Do Pencils Mis-spell Words?
Pain is Weakness Leaving the Body - USMC
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