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Seags · November 27th, 2016, 19:56

Thought I would come here to get some more input, but I'm stil struggling with consistency and I can't for the life of me figure out why.

I'll list my specs and after that a rundown of all the DIY mods I've done myself to get better consistency. The upgrades I have are:

KF Piston
AEG chamber
Nine ball VSR bucking
PDI 6.10
NPAS
HPA tapped

And a few more but those aren't related to consistency.

My piston was loose, I.e. would move back and forth about a mm when installed. Fixed with an o-ring placed at the base of the piston. Teflon tape wrapped around the end of the bucking and barrel. Wanted to use floss but there is no room for it. Gasket maker on the piston to hold the spring pub in place. I've also checked that the magazine gasket and nozzle I let are properly aligned.

I'm getting on average around 355 FPS +/- 7 but every 1 in 4 shots goes as high as 370 or as low as 340. I had this same problem on a different barrel and bucking combo. I know I can get better efficiency because I've seen people shoot +/- 3 FPS on CO2 which is less consistent than HPA

Any ideas?

November 27th, 2016, 19:56	#493
Seags Trader rating Join Date: Jun 2014 Location: Toronto	Thought I would come here to get some more input, but I'm stil struggling with consistency and I can't for the life of me figure out why. I'll list my specs and after that a rundown of all the DIY mods I've done myself to get better consistency. The upgrades I have are: KF Piston AEG chamber Nine ball VSR bucking PDI 6.10 NPAS HPA tapped And a few more but those aren't related to consistency. My piston was loose, I.e. would move back and forth about a mm when installed. Fixed with an o-ring placed at the base of the piston. Teflon tape wrapped around the end of the bucking and barrel. Wanted to use floss but there is no room for it. Gasket maker on the piston to hold the spring pub in place. I've also checked that the magazine gasket and nozzle I let are properly aligned. I'm getting on average around 355 FPS +/- 7 but every 1 in 4 shots goes as high as 370 or as low as 340. I had this same problem on a different barrel and bucking combo. I know I can get better efficiency because I've seen people shoot +/- 3 FPS on CO2 which is less consistent than HPA Any ideas?