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Discussion Starter · #1 ·
Anybody have any experience with the buffer breaking?

I've gone through 2 now and am wondering if it could be the Millitech lube
I'm using making it brittle.

I'm going to order a half dozen just because.

Other then that, the XCR is running great. ;D
 

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I've wondered about the durability of the buffer. Does anyone know:

-How many rounds one is expected to last?
-Is it necessary to have one in place for the rifle to function?
-Are they easy to replace if neccessary?

After Terra's reply:

-How would an out of spec chamber affect the life of the buffer?

I haven't spent any real time messing with the buffer in the XCR, but I have pressed it with my finger a couple times, and the material feels softer than, say, the polymer type semi-foggy nipple-thing on the rear of an AR15 buffer.
 

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the polymer type semi-foggy nipple-thing on the rear of an AR15 buffer.



;D Use plain English. Trying to figure out technical jargon like this gives me a headache!!! We're not all engineers here people. ;D
 

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If you use the correct gas settings for the right stages of your XCR's life, you will probably never have to replace the buffer. Our testing rifle has the original.
 

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My XCR has been slathered in Militec since June 2006. Over 6K rounds and I haven't had any issues with the buffer.
 

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I can testify that the rifle functions fine without the buffer, although I can't say how long it will continue to do so.
 

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Discussion Starter · #9 ·
Thanks all.

Great, I guess it's not the Millitech.
I'll order some buffers and watch it closely.
If it happens again I'll call Terra. ;D
 
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