Changing the Hammer Spring on a AA S410???
Hey All…
Well I did it and just bought myself a new a AA S410 Xtra FAC in .22cal with a Walnut stock.
What a beauty and well… you AA owners know the rest.
Now… I can’t help it but I did some on-line searching a found a few tuning kits but I think they’re geared to the folks in the UK as they can only have 12 ft/lbs max. and so I think those tuning kit turns it into our version which is the Xtra FAC model.
So my question is will changing the hammer spring on the FAC model increase the FPS or is it not that simple and much more involved… Has anybody tried?
Thanks.
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Thank to you both for your replies.
– I already downloaded the video for reference.
– I thought it’s best not to mod the S410 but thought I’d ask.
The S410 is ONE sweet shooting PCP… now I know why it cost so much and worth every penny.
But I will find it hard to trek into the woods with the walnut stock and get it all scratched up.
Congrats on the 410
Dont mess with it or you will be sorry 😉
Oops… forgot to congratulate you on your new gun. good choice, I love mine, like everyone else seems to love theirs. Get to see how she does before you start taking things apart/mods ect is my advice
I don’t think I’d mess with that… that gun should be doing just fine right now. But I’ll look for the 410 strip down vid I just saw last night. The guy had to drill out two screws to get to the hammer I think, maybe a anti tamper model or something, don’t know
EDIT: Found the vid: http://www.youtube.com/watch?v=4Srn78Pz5TA
Viewing 5 replies - 1 through 5 (of 5 total)
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Like the gentleman and WOK said before, its not worth it to mess with the 410.
All you will end up with is piss-poor shot count and inconsistent velocities, meaning “shoots like shit”.
If you do get the gun apart that far, polishing the spring guide can tighten up the FPS spread. Do not be tempted to lube the spring or guide, its meant to be dry.