WARNING: Check that the shotgun is unloaded (empty cartridge chamber and carrier). If it is loaded, unload following the procedure described in the related section.
WARNING: Never look directly through the barrel from the muzzle and do not replace the choke with the shotgun loaded even with the safety engaged.
• Clean the choke housing thoroughly using, if necessary, a brush swab soaked with Beretta Gun Oil. Dry using a soft cloth.
• Check the seat if it is perfectly clean inside and outside.
• Apply a thin film of Beretta Gun Oil on the barrel thread and choke tube.
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