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AR Hunting, Preparedness and Survival
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bobhanson1

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Reply with quote  #1 
I traded into an R15 in .30 RAR last fall and really liked the cartridge so I inquired with DPMS if they still had any of the 16" uppers with the carbine length gas systems available. They did so I ordered it and now need to decide what to build it out with. Has anyone tried running the upper with a carbine length buffer tube and if so which buffer spring and buffer weight did you use? I have a rifle length lower I can put on it as well, but would like to make it as light as possible. For those of you running rifle length buffer tubes, are you using standard springs/buffers, or something else?

Thanks!
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Borrego Bob

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Reply with quote  #2 
Looks like no one has on here how far have you gotten with the build?
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HuntTXhogs

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Reply with quote  #3 
Quote:
Originally Posted by bobhanson1
I traded into an R15 in .30 RAR last fall and really liked the cartridge so I inquired with DPMS if they still had any of the 16" uppers with the carbine length gas systems available. They did so I ordered it and now need to decide what to build it out with. Has anyone tried running the upper with a carbine length buffer tube and if so which buffer spring and buffer weight did you use? I have a rifle length lower I can put on it as well, but would like to make it as light as possible. For those of you running rifle length buffer tubes, are you using standard springs/buffers, or something else?

Thanks!


Sorry missed this:

Even with a drilled out (oversized) gas port the carrier was sluggish and sometimes wouldn't lock the bolt opened.

In my rifle length build I went with a low friction carrier from ares armory and took two weights out of a buffer (rifle length). It runs fine if not a tidy bit sluggish but it's accurate !

Definitely louder at the shooter position when I had the carbine length dpms upper borders on too much concussion with no muzzle break .
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bobhanson1

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Reply with quote  #4 
Right now I'm just running it with a PRS stock and rifle buffer. It's shooting so well as is that I'll probably just leave it although I've contemplated changing the PRS to one of the ACE tubular stocks just to lighten it up some. I didn't notice a ton of increased muzzle blast compared to my 22" one, but I was also shooting from an open bench so it may have been worse on a covered firing line.
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Doug.30

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Reply with quote  #5 
I've run my upper on three different lowers, 2 carbine and one rifle buffer system. All ran fine with the regular buffer/spring combos.
An A2 stock is about as light as they come. A1 if you need to go a little shorter. The nice round rubber buttplate of the A1 fits on the A2 [wink]
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