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ABCD · August 1st, 2009, 04:57

Hello,
i have a question about Top Tech M4 Carbine Blowback.
i wanna install in the gun a 130M Spring.
can i do that?
i need to change a few parts to change to 130M Spring?

and tell me it also about 140M Spring.

Thanks!

August 1st, 2009, 04:57	#1
ABCD Trader rating Join Date: Jul 2009	question - Top Tech M4 Carbine Blowback Hello, i have a question about Top Tech M4 Carbine Blowback. i wanna install in the gun a 130M Spring. can i do that? i need to change a few parts to change to 130M Spring? and tell me it also about 140M Spring. Thanks!