Rugar mpr ar556 first round loading issue

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Rugar mpr ar556 first round loading issue

Postby Jmiller » Fri Dec 04, 2020 10:30 pm

Hi everyone I am having a issue with my rugar ar-15 chambered in a 450 bushmaster. If I have more then two rounds in a magazine it will not chamber all the way. I can load it with ease if there is no mag in it and just brop a bullet in the chamber. Not sure of it is a magazine issue or something else. I have asc and 450 bushmaster magazines. Any suggestions would be great thanks everyone!!
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Re: Rugar mpr ar556 first round loading issue

Postby Texas Sheepdawg » Sat Dec 05, 2020 2:49 pm

Sounds like you may have too much spring pressure in your mag or the mag feed lips ain’t right. How much spring is in the magazine?
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Re: Rugar mpr ar556 first round loading issue

Postby Texas Sheepdawg » Sat Dec 05, 2020 2:53 pm

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