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Aero M5 lower , upper 11.5 “ and all other aero

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After around 200 rounds starting noticing spent casings had a u shaped dent where the bullet sits. Now, the bolt carry catches too far so you basically can’t load a magazine with out pulling on the Charging handle all the way back. See pictures. Any ideas?



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Hey there G P please refrain from spamming the site with the same ? 

First off, your new hit the intro section and give us some details about you. We encourage everyone to do this,  so we can better understand what you know and experience is always obliged. 

Second have you removed any obstruction or debris in the receiver? Possibly a blown primer...  

Welcome to the site. 

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On 3/11/2023 at 6:05 PM, shooterrex said:

Your bolt isn't locked back on the bolt catch

Yep, probably a 3.250" buffer in a 7.000" extension.   Or the AR15 rifle buffer in the rifle extension.  Whatever is being run here for a recoil system. 

Numbers are mandatory.

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