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Thread: BCM KMR is WEAK sauce!
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11 June 2016, 12:12 #1
BCM KMR is WEAK sauce!
So I'm no longer a fan of the BCM KMR, the original magnesium variant as I have no experience with the Alpha.
Why? Because it is super weak sauce.
The firearm was leaning against a wall, unloaded, on a rug carpet. It fell over. It landed on the front offset iron sight, which is a Griffin Armament. Ultimately a VERY low impact event.
Here is how well the KMR DIDN'T handle it.
And here is the front sight, which is what took the impact, and still looks new out of the wrapper.
Seriously? This is unacceptable. A front sight can no longer be utilized at the front of the forend anymore with any ghost of a hope of being aligned with a rear, and that's from simply falling over on a rug.
I'll will be contacting BCM about this and will report with how it pans out.-One Nation, Under God
-"The bad news is time flies. The good news is you're the pilot." ~ Michael Althsuler
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11 June 2016, 12:23 #2
I will be following this thread with great interest. I have two.
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11 June 2016, 13:38 #3
There are more than a few reports similar to this. The alpha is superior in every way except weight. I'm sure BCM will take care of you.
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11 June 2016, 13:48 #4
I have already deformed a couple magnesium KMRs during destructive testing. The alpha is stronger and more rigid.
Want something really tough? Geissele.Will - Owner of Arisaka LLC - http://www.arisakadefense.com
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11 June 2016, 14:36 #5
Mg just isn't strong in that thin of a structure. That lesson has been learned.
There's no "Team" in F**K YOU!
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11 June 2016, 16:22 #6
Well that is troubling. Let us know what BCM says.
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11 June 2016, 16:55 #7
That sucks a lot. Seriously.
Here's to hoping that they do right.
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11 June 2016, 19:06 #8
I'd be pretty shocked if they don't make things right.
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11 June 2016, 21:36 #9
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11 June 2016, 22:56 #10LEO / MIL
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12 June 2016, 00:20 #11
Well, now you don't need an offset front sight.
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12 June 2016, 01:11 #12
Wow...
Goes to show all this uber new technology doesn't always outweigh the alternative ..as that is crazy from just falling over..
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12 June 2016, 15:24 #13
You know, I knew the magnesium alloy was weaker than aluminum, but not being in the motorcycle world or ever having really worked with magnesium, and given BCM's rep for good stuff, I really thought that the alloy would at least APPROACH the strength of aluminum.
Guess not.
I've already emailed BCM and sent along all the pics I've posted here.-One Nation, Under God
-"The bad news is time flies. The good news is you're the pilot." ~ Michael Althsuler
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13 June 2016, 00:27 #14
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13 June 2016, 01:56 #15New Member
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The alpha is stronger and more rigid.