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LUTNIT · November 22nd, 2008, 05:18

Hmmm...I stand corrected on the blowback, thought it was mechanical. Still, Toptech = G&G from what I have read and I don't trust G&G. Also looks like there are some hard/impossible to replace proprietary parts in there. It doesn't blow back enough for me either, showing the hopup and front of the mechbox on the blowback also ruins it for me.

Since you are diverting air from the cylinder to blow back the bolt, you would have to use a much stronger spring to get a decent fps than normal, say even 350-370fps. That in a ver.2 mechbox I don't like, especially a proprietary mechbox shell.

November 22nd, 2008, 05:18	#6
LUTNIT Trader rating Join Date: Dec 2005 Location: Ottawa	Hmmm...I stand corrected on the blowback, thought it was mechanical. Still, Toptech = G&G from what I have read and I don't trust G&G. Also looks like there are some hard/impossible to replace proprietary parts in there. It doesn't blow back enough for me either, showing the hopup and front of the mechbox on the blowback also ruins it for me. Since you are diverting air from the cylinder to blow back the bolt, you would have to use a much stronger spring to get a decent fps than normal, say even 350-370fps. That in a ver.2 mechbox I don't like, especially a proprietary mechbox shell. Last edited by LUTNIT; November 22nd, 2008 at 05:22..