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spiritseeker · February 25th, 2009, 00:02

Hey, I'm thinking of buying a G&G M4 Carbine (http://buyairsoft.ca/catalog/product...roducts_id=438) this spring, and am wondering about swapping out the spring. I have a Prometheus Non-Liner SPR MS 135 sp (that's what the package says). Would the mechbox be able to withstand the new spring? Would I have to buy any new parts? Is it an easy swap mechbox, or one where I have to open the whole thing to get at the spring? What kind of increase in FPS would I be expecting? Is it worth it to swap the spring?

Sorry for all the questions, I'd like to know about everything to expect.

If I missed anything, let me know.

February 25th, 2009, 00:02	#1
spiritseeker Trader rating Join Date: Dec 2007 Location: Winnipeg, MB	New Spring Hey, I'm thinking of buying a G&G M4 Carbine (http://buyairsoft.ca/catalog/product...roducts_id=438) this spring, and am wondering about swapping out the spring. I have a Prometheus Non-Liner SPR MS 135 sp (that's what the package says). Would the mechbox be able to withstand the new spring? Would I have to buy any new parts? Is it an easy swap mechbox, or one where I have to open the whole thing to get at the spring? What kind of increase in FPS would I be expecting? Is it worth it to swap the spring? Sorry for all the questions, I'd like to know about everything to expect. If I missed anything, let me know.