View Full Version : 9mm Buffer with 5.56 Upper?
John Hearne
03-24-07, 21:09
I'm trying to setup a 9mm training gun that I can swap between 9mm and 5.56 quickly. I was wondering if there were any issues with just keeping the 9mm buffer in the rifle all of the time? The 223 upper will be a 14.5" M-4 clone.
Robb Jensen
03-24-07, 21:12
I'm trying to setup a 9mm training gun that I can swap between 9mm and 5.56 quickly. I was wondering if there were any issues with just keeping the 9mm buffer in the rifle all of the time? The 223 upper will be a 14.5" M-4 clone.
Most of the time a 9mm buffer in a 14.5" .223 will run fine.
my 10.5 LMT will run with a 9mm buffer in it with all ammo EXCEPT for steel cased wolf. It short strokes. It works fine with the steel wolf with the can on it though.
I think the H3 is heavier than a 9mm buffer so I dont see why not.
I think the H3 is heavier than a 9mm buffer so I dont see why not.
I think the H3 and the 9mm are the same weight. The H3 has three tungsten weights but the 9mm has one solid weight.
Robb Jensen
04-04-07, 07:51
My CMT H3 buffer weighs 5.43oz, I haven't weighed a 9mm buffer but IIRC most are 5.5oz. The 9mm is a steel buffer and the head of it can move forward backward slightly and side to side. The H3 body is solid just heavy with 3 tungsen weights in it. The MGI rate reducing buffer is said to be 7.1oz and would work very well for 9mm, I've tried a MGI on a 16" .223 AR compared against an Enidine and honestly couldn't feel much difference.
Slash on TOS makes even heavier buffers.
persona non grata
04-06-07, 23:02
I think the H3 is heavier than a 9mm buffer so I dont see why not.
http://i4.photobucket.com/albums/y102/slash1969/Buffer%20Pics/BufferTable.jpg
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