La Marzocco Group Bayonet Ring argenta-parts/astoria-steam-water-valves-pipes it may be more practical

it may be more practical to just replace the portafilter body along with the handle

1/4-Size Food Pan Compatible

also the rare Linea 1 Group (check valve to steam valve)

O-rings included on flange

A short-profile group head screen for older lever-style groups

La Marzocco Group Bayonet Ring argenta-parts/astoria-steam-water-valves-pipes it may be more practicalLa Marzocco Group Bayonet Ring Bayonet ring that locks the portafilter into the group on La Marzocco machines; wears with use and eventually causes the portafilter to seat loosely or engage incorrectly. COMPATIBILITY Fits: All La Marzocco groups INSTALLATION Requires group disassembly; best handled by an experienced technician. PRO TIPS If your portafilter feels loose or won't lock in fully at the usual angle, a worn bayonet ring is the most common