Offtopic today. Here are two of the recent problems which happened to Mossberg 500/590 of fellow shooters.

Broken Mossberg 500/590 Firing Pin Washer

Broken Mossberg 500/590 Firing Pin Washer

Broken Mossberg 500/590 Firing Pin Washer

This small part is called Mossberg 500/590 Firing Pin Washer. It blocked the action completely and only gunsmith was able to disassemble a shotgun.

Recommended Product:
Mossberg 500/590 Firing Pin Washer

Mossberg 500/590 Firing Pin Washer

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Broken Mossberg 500/590 Elevator Assembly

Broken Mossberg 500/590 Elevator Assembly

Broken Mossberg 500/590 Elevator Assembly

That happened on several shotguns, so it looks like factory defect. That breakage is surprising because such part as Elevator Assembly is one of the main parts of the trigger group and should be difficult to breake.

Recommended Product:
Mossberg 500/590 Elevator Assembly

Mossberg 500/590 Elevator Assembly

Get Mossberg 500/590 Elevator Assembly on Brownells