FX Panthera foster nipple thread type?

[Mcleod]

Anyone know what threads the foster fitting is on the FX Dynamic?
I put on a Kraford and Lypt rail and want to extend my fill fitting out for easier filling.

 

[starlingassn]

might be less hassle to just use an extended female foster fitting on your fill system,
instead of trying to extend the male foster on the gun.

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[Gerry52]

Take @starlingassn's advice. My FX rifles have deep set fosters & the extended female quick connect solved that problem. It's a no brainer compared to replacing male fitting.

 

[starlingassn]

and the ones that fx includes arent long enough for the factory trigger guard,

but i noticed on my impact m3,
after i put on the K&L trigger guard/rail the included one worked fine,
but only because the area to the rear of the foster is machined away,
leaving a way to reach my finger in and unlock the foster.

so if the one for the panthera has the same type of cutout it should work similarly.

 

[Mcleod]

Thank you both. I have the long female foster QD. It's little room to release the QD.