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Shaun655 · August 21st, 2009, 17:48

I have a clear soft G&G GR16 A3 full stock and have upgraded my gun with a couple of springs. I put in a PDI 150% spring and had it shooting at 425fps with a .20g BB roughly, but had to upgrade to a Elite 9.6v large type 4000nimh battery from cheapbatterypacks.com to handle the extra demand of energy, oh and I also converted to Deans connectors.

The stock gear box is nicely built, it has full ball bearings, no bushings. There maybe a very entry level gun available without bearings but mine is equipped with them as most in the series are. Also the company said the gun is equipped with a ball bearing spring guide, but what it didn't say is that it is also equipped with a ball bearing piston head.

I am not sure what FPS you are hoping to achieve with your spring upgrade, but if it is not too extreme the stock gun should take it. I so far haven't seen anything wrong i.e metal shavings in my gear box since I have upgraded mine. Don't forget either it is stock with a high torque motor and metal case, gears, and anti reversal latch.

August 21st, 2009, 17:48	#5
Shaun655 Trader rating Join Date: Apr 2007 Location: Wasaga Beach	I have a clear soft G&G GR16 A3 full stock and have upgraded my gun with a couple of springs. I put in a PDI 150% spring and had it shooting at 425fps with a .20g BB roughly, but had to upgrade to a Elite 9.6v large type 4000nimh battery from cheapbatterypacks.com to handle the extra demand of energy, oh and I also converted to Deans connectors. The stock gear box is nicely built, it has full ball bearings, no bushings. There maybe a very entry level gun available without bearings but mine is equipped with them as most in the series are. Also the company said the gun is equipped with a ball bearing spring guide, but what it didn't say is that it is also equipped with a ball bearing piston head. I am not sure what FPS you are hoping to achieve with your spring upgrade, but if it is not too extreme the stock gun should take it. I so far haven't seen anything wrong i.e metal shavings in my gear box since I have upgraded mine. Don't forget either it is stock with a high torque motor and metal case, gears, and anti reversal latch.