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ken855 · September 24th, 2009, 14:00

I have a G&P M4 RAS II short and I ordered new front set for it along with a 509mm inner barrel. my question is how i can tell which cylinder i have in my gearbox? i don't see holes, rings ..etc.

September 24th, 2009, 14:00	#1
ken855 Trader rating Join Date: Sep 2006 Location: Calgary	G&P gearbox cylinder I have a G&P M4 RAS II short and I ordered new front set for it along with a 509mm inner barrel. my question is how i can tell which cylinder i have in my gearbox? i don't see holes, rings ..etc.