R RubenR Members Joined Jan 30, 2012 Messages 150 Reaction score 0 Jun 7, 2012 #1 Hi guys, I'm looking for a spring upgrade for my kwa m4 cqb and I'm looking for it to shoot 350fps, can you recommend me a good spring for the gun please ! Cheers
Hi guys, I'm looking for a spring upgrade for my kwa m4 cqb and I'm looking for it to shoot 350fps, can you recommend me a good spring for the gun please ! Cheers