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shiftline · March 21st, 2010, 03:24

to upgrade a TM mp5 ras with a 363mm tight bore, would i need to upgrade they cylinder or put in a bore up kit?

right now it just has a 170% spring .. not sure of what make.

Thanks

March 21st, 2010, 03:24	#1
shiftline Trader rating Join Date: Sep 2004	Mp5 Tight Bore to upgrade a TM mp5 ras with a 363mm tight bore, would i need to upgrade they cylinder or put in a bore up kit? right now it just has a 170% spring .. not sure of what make. Thanks __________________ Optical Illusions