Mossberg Cartridge Stop Models 500A/590 12 Gauge & 500C 20 Gauge - Used OEM MAC12 Black and all internal components needed

and all internal components needed for reliable cycling and chambering

unissued condition

Function: The bolt engages notches in the cylinder to lock it in proper alignment with the barrel during firing

66 K-Frame

This part fits both K Frame (

Mossberg Cartridge Stop Models 500A/590 12 Gauge & 500C 20 Gauge - Used OEM MAC12 Black and all internal components neededMossberg Cartridge Stop Models 500A 590 500C Used OEM Part MAC12 This genuine Mossberg cartridge stop is a critical feeding component for Model 500A, 590 (12 gauge), and 500C (20 gauge) pump shotguns. Quality used condition, inspected for proper function and wear. The cartridge stop holds shells in the magazine tube and releases them one at a time during cycling, preventing double feeds and ensuring reliable feeding. Key Features: Genuine Mossberg OEM