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Styrak · November 21st, 2012, 16:04

Firestorm, M90 means 90m/s which translates to 295fps. Different brands of "M90/S90/MS90" type springs will have differing strengths, but they should be around there.

November 21st, 2012, 16:04	#5
Styrak Trader rating Join Date: Jan 2007 Location: Saskatoon, SK	Firestorm, M90 means 90m/s which translates to 295fps. Different brands of "M90/S90/MS90" type springs will have differing strengths, but they should be around there. __________________ Airsoft Sales and Repair/Upgrade Services