Sergii 142 Posted March 19, 2013 Report Share Posted March 19, 2013 It's only there to try and help that piece of crap, half ass LRBHO design that still only half works. Lift your dust cover, take out your recoil spring, and run your bolt & carrier back and forth on the rails.... with an empty mag inserted. The bolt glides right over the top of the BHO stop. It won't even touch it unless you press down on the carrier while pushing it forward. Very true, this is the second reason why this large rivets. 2 Quote Link to post Share on other sites
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