<Tr> <Th> Barrel length </Th> <Td> 19 in (483 mm) since mid-1980s, 22 in (559 mm) before mid-1980s, both with Micro-Groove rifling </Td> </Tr> <Tr> <Th> Cartridge </Th> <Td>. 22 LR </Td> </Tr> <Tr> <Th> Action </Th> <Td> Direct blowback </Td> </Tr> <Tr> <Th> Rate of fire </Th> <Td> less than 2 seconds per shot, typical </Td> </Tr>

Marlin stainless model 60 sb micro-groove barrel value