I installed a custom cut (by me) 330mm inner barrel into my TM MP5-SD (used to have a 229mm as stock) and saw my velocity jump by 30fps. Accuracy stayed the same as usual, very accurate, and my other MP5 would get man sized groupings at 200ft using 0.28g BBs with the stock barrel, and fps at 360.
Just saying.......
Last edited by CDN_Stalker; November 12th, 2011 at 18:56..
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