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p.phresh · February 15th, 2013, 13:31

Hardness of the hop rubber will depend on the FPS output of your gun. If it's greater than 330FPS (on 0.20g BBs) I'd go with a hard rubber. If it's less than 270 FPS i'd go with the extra soft, and for everything else in between go with the soft.

There's also no harm in using a hard rubber if you're not quite at 330 FPS, but plan to be there eventually.

Any hop up rubber designed for any TM GBB will fit across all pistols.

February 15th, 2013, 13:31	#266
p.phresh Trader rating Join Date: Sep 2004 Location: Winnipeg, MB	Hardness of the hop rubber will depend on the FPS output of your gun. If it's greater than 330FPS (on 0.20g BBs) I'd go with a hard rubber. If it's less than 270 FPS i'd go with the extra soft, and for everything else in between go with the soft. There's also no harm in using a hard rubber if you're not quite at 330 FPS, but plan to be there eventually. Any hop up rubber designed for any TM GBB will fit across all pistols.