My first thought is the cocking ramp needs greased but you have put oil on it. That should help. One tip I learned is to put a dab of antiseize grease on the cocking ramp. If it's easy to lift the bolt once cocked. I'd take another look at the cocking ramp.
Casey
Not being married to any particular political party sure makes it a lot easier to look at the world more objectively...
Having said that, MAGA.
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