Couple fail to feed... Advice?

[hfx123]

Have a newish ar has worked flawlessly with Americans eagle cheap stuff. Last time out had a couple failures. Jammed next round and shoved bullet into casing. American eagle and xm855. What would cause this? Happened once to me but a few times to new shooter

 

[p.Rundle]

what type of ar

 

[hfx123]

It's Aero precision. Lower upper gas block bolt. Atrs mags which may be issue

 

[Stevo]

It's Aero precision. Lower upper gas block bolt. Atrs mags which may be issue

I've seen that a fair bit with ATRS mags, especially the final run.

 

[bsand]

try again with a USGI or magpul magazine. Bet ya won't have any issues.

 

[Kornerupine]

FTF's are almost always caused by the magazine.

 

[hfx123]

FTF's are almost always caused by the magazine.

Copy that. Didn't have any others with me so I'll give it another go