newbie help with first gun please

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azza1985

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hi people i brought my first gun a few months ago a g&g gr15 raider xl gbb

ive noticed when chrono it when new was 368 now after a few months it dropped to 284 but not in one leap its been slowly dropping

ive had a 6.03 tb done with new bucking and nub rate of fire is 17 and im using a 9.6v nimh battery

1. what should i check to see if ive got a air leak

2i want to put a m110 spring in would the gearbox be ok to handle that

3.what else could i do to help improve everything

thank you for your help and please understand im new so might as more questions lol

 
The spring will have bedded in a 110 will take it to around 400 if there's no leaks anywhere and the internals are spot on

 
The spring I've ordered is a m110 which they say the fps will be 350-360

 
I put a 110 in my mates gun that's the same, almost new with the same set up and it Crono at 400 spot on...

 
azza1985 said:
ImTriggerHAppy is my 350-360 roughly right
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Probably will be around that. A springs rating number is meters per second, 110 mps is 360 fps. Thats only a rough guide though as lots of factors play into it. Fps will be affected by your compression as much as spring which is why most of us spend so much time making sure all the seals are perfect. It varies from gun to gun even when made by the same manufacturer.

 
I guess there's so much variation in products from different manufacturers I've found it's a bit of a "suck it and see" game when it comes to airsoft tuning

 
I need to strip and check for air leak as when I first got the gun it was firing 378fps and then dropped to 368 after few days play but now it's drop 80 fps more so there must be a leak somewhere

 
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