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Started By
Message
Hornady Frontier 5.56: Any issues for any O.B. baws?
Posted on 7/18/25 at 8:29 pm
Posted on 7/18/25 at 8:29 pm
I recently shot 280 rounds of Winchester white box, PMC XTAC, and Hornady Frontier. 40 rounds were Frontier and were fired midway through. I had 3 failure to eject and 2 failure to fire malfunctions (on the first attempt). Twice I struggled to pull the bolt back.
Of course, it seems to be the ammo since 240 of 2 other manufacturers fired and cycled flawlessly.
Has anyone else had any issues?
Of course, it seems to be the ammo since 240 of 2 other manufacturers fired and cycled flawlessly.
Has anyone else had any issues?
5
Posted on 7/18/25 at 9:07 pm to lsufan9193969700
Some guns don't like some ammo; yes even Glocks.
Posted on 7/18/25 at 9:12 pm to lsufan9193969700
Not with this particular round but I recently bought two boxes of Hornady Critical Defense in .38 special. About 40% of the rounds have cases that are just long enough that you can't close the cylinder. I was really disappointed because I've had good results with Horandy ammo in the past.
Posted on 7/18/25 at 9:21 pm to lsufan9193969700
I’ve never had any issues with this ammo
Posted on 7/18/25 at 10:03 pm to lsufan9193969700
quote:
Twice I struggled to pull the bolt back.
That’s probably signs of high pressure.
Would need to see what the primers looked like to say for sure.
Posted on 7/19/25 at 8:27 am to lsufan9193969700
I shoot about 2000 rounds of this a year, 75gr. No issues. Very accurate. My hunting buddy shoots the same but 68gr
What grain are you shooting? We built the same gun and mine didn’t chamber the 68gr very well so I went to 75 and it’s perfect.
Is the gun new?
Different manufacturers - different pressures. You might be unger gassed for the frontier but just fine for the others
What grain are you shooting? We built the same gun and mine didn’t chamber the 68gr very well so I went to 75 and it’s perfect.
Is the gun new?
Different manufacturers - different pressures. You might be unger gassed for the frontier but just fine for the others
This post was edited on 7/19/25 at 8:32 am
Posted on 7/19/25 at 9:01 am to bbvdd
quote:
That’s probably signs of high pressure.
Would need to see what the primers looked like to say for sure.
That's what I was thinking.
Posted on 7/19/25 at 9:07 am to SeaPickle
quote:
What grain are you shooting? We built the same gun and mine didn’t chamber the 68gr very well so I went to 75 and it’s perfect.
This was 55 gr. The 40 Frontier rounds and all Winchester and PMC were 55 gr. Only the Frontier had this issue.
quote:
Is the gun new?
No, I've had the AR15 for maybe 2 years. I've fired 1k+ through her. This has been the only issue. I've put maybe 7-8 different manufacturer's ammo and multiple grain weights through her. She has eaten everything except 5 of those Hornady Frontier rounds. I'm almost positive I've shot them through her in the past. Maybe it was just a bad batch of ammo?
Posted on 7/19/25 at 9:56 am to lsufan9193969700
Could be. Clean the gun and try again. Might be a gas issue or simply your setup doesn’t like those.
Posted on 7/19/25 at 10:57 am to SeaPickle
quote:
Could be. Clean the gun and try again.
It was spotless and lubed well.
quote:
or simply your setup doesn’t like those.
I'm fairly certain I've fired these through this AR15 before. Like I said, this was the only issue ever with over 1k rounds from various manufacturers and various grain weights. During this range visit, the other manufacturers' ammo, 240 rounds, went through it flawlessly. Only 5 of the 40 Frontier rounds had an issue. I assume it's just a bad batch.
I'll probably just say away from Frontier for now.
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