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4/7/2009 8:28:56 AM EDT
I am in the middle of trying to get parts together for an SPR build. I already have a Stag assembled lower with a PRS stock. I am not sure if I want a 20in or an 18in. barrel. I can  order both with either a rifle or a midlenghth gas system. How should I build it? I saw an article on the M110 SASS and really want kinda a clone to it. What says the hive?
4/7/2009 10:09:43 AM EDT
[#1]
I recently built an SPR with an 18" White Oak Barrel with a midlength gas system on an LMT lower.  It runs great.  I liked the look of the 18" barrel and just wanted it to be somewhat close to a Mk 12 copy.   I also went with the Vltor Emod over the PRS, at the time, just because I didn't want to change out the buffer tubes right now.
4/7/2009 11:26:03 AM EDT
[#2]
If you're building an SPR it should be an 18" barrel. A DMR takes a 20" pipe.....try looking up both in Wikipedia for some good info and specs.


http://www.ar15.com/forums/topic.html?b=3&f=118&t=433383


this is a question I recently asked...Mk 12 mod 0 or Mk 12 mod 1 vs. DMR. They are close but not identical and have different uses.

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