MattyAirsoft Posted October 4, 2017 Share Posted October 4, 2017 Does anyone know what the stock spring size is on a stand G&G Firehawk? Link to comment Share on other sites More sharing options...
Supporters Sitting Duck Posted October 4, 2017 Supporters Share Posted October 4, 2017 Probably about a m110 to maybe m115-ish Should put you at about 360 - 377fps but due to 120mm barrel you lose a fair bit of fps Most G&G's are about 330-ish but I got one FH untouched hitting about 347fps (way over the Mall's 340 max limit) If you stick a longer barrel on there the fps will likely increase a fair bit (though if you go nutz you won't have the cylinder volume due to the short port on cylinder) Most likely if you got a bit of a drop in fps then check seals and pop a bearing spring guide in maybe Link to comment Share on other sites More sharing options...
MattyAirsoft Posted October 5, 2017 Author Share Posted October 5, 2017 7 hours ago, Sitting Duck said: Probably about a m110 to maybe m115-ish Should put you at about 360 - 377fps but due to 120mm barrel you lose a fair bit of fps Most G&G's are about 330-ish but I got one FH untouched hitting about 347fps (way over the Mall's 340 max limit) If you stick a longer barrel on there the fps will likely increase a fair bit (though if you go nutz you won't have the cylinder volume due to the short port on cylinder) Most likely if you got a bit of a drop in fps then check seals and pop a bearing spring guide in maybe Thank you for the response. The reason I’m asking is I just put a laylax m120 spring and spring guide into it, but when removing the stock one it looked alomost identical. I was actually looking into extending the barrel, will look further into it today. Link to comment Share on other sites More sharing options...
MattyAirsoft Posted October 7, 2017 Author Share Posted October 7, 2017 Update: Decided to go for a Madbull 6.03 x 247mm barrel, unsure if my cylinder will have enough volume. Already have a decent length mock silencer to cover the extra barrel length. Will replace out the cylinder if need be. Link to comment Share on other sites More sharing options...
Mikeey946 Posted November 15, 2017 Share Posted November 15, 2017 Did you ever get this set up? Im in a similar position what was the original barrel lengh to begin with? Im planning on going from 120mm to 247mm and im guessing the cylinder wont have enough monkey Link to comment Share on other sites More sharing options...
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