With any semi-auto shotgun the action spring in the buttstock can slow the action down in very cold weather when the grease/powder residue build up and act like a brake. I've experienced it with both an original Auto-5 and a Benelli M-2. Remove the buttstock and the action spring, clean the spring and the interior of the action spring tube. G96 is a cleaner and light lube that works well in very cold temps. (don't put grease back in the tube).


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Archibald Rutledge