luke.08 Posted March 2, 2012 Share Posted March 2, 2012 hey guys. i recently bought a hk px4 from a friend. tested it today and im baffled. the slide locks back when pulled back with an empty mag in. yet when firing and finishing a mag it wont lock back. any ideas. cheers luke Link to comment Share on other sites More sharing options...
Supporters Rock-climby-Dave Posted March 2, 2012 Supporters Share Posted March 2, 2012 It's the weather. pulling it fully cycles it so the lock can go on. firing it in the cold means it won't cycle the full way (especially after firing a full mag) and simply doesn't travel far enough back to lock out. point the pistol at the floor and fire and it usually locks it. Link to comment Share on other sites More sharing options...
luke.08 Posted March 2, 2012 Author Share Posted March 2, 2012 i had my suspisions it was because cold but thought id ask anyway. cheers mate Link to comment Share on other sites More sharing options...
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