greg Posted March 18, 2010 Report Share Posted March 18, 2010 I'm considering a new barrel for my KSC MP7. I want a longer one & the only supplier I can find, only does them in 6.00. I usually go 6.03, so know how this performs. I intend using Guarder HPM .28's & Maruzen SGM .29's. Has any one used these bb's in conjunction with a 6.00 barrel? If so, how was it? Greg. Link to post Share on other sites
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