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Old March 25th, 2010, 15:57   #6
Crunchmeister's Avatar
Join Date: Nov 2007
Location: In your bedroom going though your underwear drawer
You need to replace the bolt with an adjustable one to adjust the velocity. The 2009 shoots at 390 fps, which is perfect for outdoors. If you want it for indoors, then you ahve to replace the whole bolt carrier with an NPAS model.
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