Break-in Ammo Spec's for New Aegis? - Kimber Forum

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Old 04-10-2016, 08:31 AM   #1
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Thumbs up Break-in Ammo Spec's for New Aegis?

As I posted recently in another thread, I just ordered a new Pro Aegis II and hope to see it later this week or next. In the meantime, I downloaded the 1911 manual from the Kimber website and perused for the recommended break-in ammo spec, but it only lists the 230gr round which is obviously for the 45cal 1911's. The Aegis is 9mm and 230gr ammo just doesn't come in 9mm (normally!). I have plenty of 115gr ammo, but suspect it is a little light for the 1911? It's the weekend and nobody will be in Customer Service. So, since the real experts are here on the KT, I thought I'd ask the pro's what they used for break-in 9mm ammo. Your thoughts, please?
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Old 04-10-2016, 08:39 AM   #2
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When I broke in my Ultra CDP 9mm I found that 147 gr. RN Freedom Munition reloads preformed flawlessly. I like to use the heaviest bullets I can find for the caliber of gun I'm breaking in.
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Old 04-10-2016, 09:19 AM   #3
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I'm with Chuck. I broke my Ulrta Aegis II in with 124 and 147.
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Old 04-10-2016, 09:53 AM   #4
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I'd stick with the above advice from the experts. Use the heaviest stuff you can, I believe 147gr is about the heaviest out there. Also be sure to thoroughly clean up after every 150 rounds or so. Will be watching for the report :-)
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Old 04-10-2016, 09:57 AM   #5
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When I first shot my Diamond Ultra 9mm I used 115 and 124gr. It worked just fine. I don't disagree with the others but that's what I had at time and I wanted to shoot that day.
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Old 04-10-2016, 10:23 AM   #6
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I just bought a brand new Ultra Aegis. Took it to the range Thursday after cleaning and oiling.
Put about 250 rounds thru it, mostly 115 and 124 gr of assorted manufacturers, both FMJ and hollow points.
Other than the third round where the slide didn't return to battery by about 1 quarter inch, I couldn't make it fail. Even fired some of the new Ruger ARX, which is only 80 gr. Also shot some Hornady Critical Duty 135 gr.
I hoped for those kinds of results and was glad my expectations were met.
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Old 04-10-2016, 10:38 AM   #7
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Thanks for the recommendations, guys. I will be putting 500 rounds of 147gr ammo on the shelf for the break-in, and I am adding another 500 rounds of 124gr for my wife's new G17 (can't buy for me without considering her needs, too). I might try some of her 124gr's in the Aegis after running the break-in to see how it performs. The 115gr ammo I have in stock works just fine in my G43, so now it won't go to "waste"!
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Old 04-10-2016, 11:00 AM   #8
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Originally Posted by Cybercycle View Post
Thanks for the recommendations, guys. I will be putting 500 rounds of 147gr ammo on the shelf for the break-in, and I am adding another 500 rounds of 124gr for my wife's new G17 (can't buy for me without considering her needs, too). I might try some of her 124gr's in the Aegis after running the break-in to see how it performs. The 115gr ammo I have in stock works just fine in my G43, so now it won't go to "waste"!
You do the same for your wife as you do for yourself? What a strange concept. I am just kidding I promise. What the guys are telling you is definitely true. I have shoot 115" in my TLE without any problems, but if you are buying ammo anyway I go for the 147. I bet you won't have any problems with either. Now I will delete your thread before my wife reads it...



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Old 04-10-2016, 11:03 AM   #9
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I used 124 and 147 RN ammo in my 9mm's. Like some others because I had it on hand I also used 115gr RN in all my 9mm.
A Sapphire Pro and Sapphire Ultra, Stainless Ultra Carry, Colt Commander. The 115gr worked perfectly in all of them.
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Old 04-10-2016, 11:26 AM   #10
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Just so there is no misunderstanding, I am not implying that lighter ammo won't work in your gun for break in purposes. What I'm saying is that with a new gun in need of breaking in I find that the heavier loads seem to present the least amount of problems during the process.
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