Tuning So the newer impacts have two transfer ports you can choose from?

[Healthservices]

So I'm messing with my impact and decide to remove the barrel assembly rather than leaving the barrel in, or pull just the liner out to clean. I see two transfer ports and corresponding slots in which I can clock the barrel. The other hole is way smaller. Is this for the sub 12 lb. People who have to limit the amount of power ?

 

[dzintgraff]

Following 

 

[Odoyle]

https://youtu.be/xe6SrDu7Kms

https://youtu.be/FEPp5CdtQeA

 

[Healthservices]

Yes, but mine is basically box stock except for the Kraford & Lypt stuff I added onto it. So either mine came from the factory like that or someone did a switch-a-roo and this impact was a modified return.

 

[Chuck-in-Ohio]

It is a factory stock part now, do not worry.

My new Compact .22 Impact came with the same transfer port as yours.

You will notice that the large port is oblong now as well instead of being round. It is part of the FX design change evolution being implemented.



It is designed to give you an option to easily reduce the power on your Impact for close range, reduced power, or indoor shooting.

 

[dc8cappie]

So, when did FX start shipping guns with the large and small hole transfer ports?

 

[Jayson]

My impact had it, when I purchased in the spring? Also the factory ovaled tp in 700mm, my 600mm barrel kit purchased at the same only had the larger tp, which I’m cool with, because I would never use that small side? Actually, it has already caused me some grief, don’t be a DA like me and put your barrel in and just rotate until the notch falls in place! Duel notches mean you may be high or you may be low? The first crony shot will tell you, but it is a “what the Hell”? Moment

 

[dannya1a]

Just got my impact .25 cal 700 mk2 from spaw like 3 weeks ago, and it only has one port on my barrel. No dual port here. Well not till Ernest gets more made up and I order one of his units.

 

[RunningBull]

I purchased my FX Impact MK II 600mm STX w/PP .22cal back in March. Mine has the two transfer ports. In fact, recently after cleaning and reinstalling the barrel, I inadvertently installed with the smaller transfer port down. I thought I has broken the rifle as FPS was dramatically reduced. I nearly had a panic attack to say the least. I’m still working on a tune where the POI doesn’t change or shift. I’m thinking of dropping the muzzle velocity to 880 - 900 FPS using JBS 18.13gr.