Tuning Avenger hammer rotation

[Saltlake58]

Watching AEAC's video, the .22 Avenger should have 6 full rotations on hammer spring. Mine only has about 3 and a half. Anyone else run into that? Does the 3.5 rotations on my Avenger equal the 6 on the gun AEAC reviewed? If not, can I add the extra capacity back in?

It's a refurb I picked up months ago. Life happened so never finished the tune. Time to get back into the game and finish this one up! Any help appriciated.

 

[OTmachine]

I believe that there is a wire snap ring on the screw that can get hung up.

 

[nervoustrig]

If the hammer spring adjuster allows you to find the velocity knee (95-97% of peak velocity), that is what matters.

 

[Saltlake58]

I'd like to try using it as a slug gun, so max everything. I may dismantle the winter and look for that snap ring. Might make a difference, might not, we'll see!

 

[Phildog59]

Mine came that way I read some where they stick at about 3 turns in so I just keep working it in and out till it stared working worked for me I did have to add a little more pressure.

 

[Patrick1]

Mine came that way I read some where they stick at about 3 turns in so I just keep working it in and out till it stared working worked for me I did have to add a little more pressure.

I believe this was a very common issue when Avengers first came out. Mine was sticky at about 3 turns, too. Just need to work thru it to get the HS to smooth out.

 

[Tomygun1]

Same here, mine has 3 1/2 turns, period. No amount of force will change it. However I have come to believe that maybe they changed the threads to cover the same distance of travel. Velocity with it turned all the way out is about 600fps and all the way in is about 950 in my 25cal.

 

[Saltlake58]

Been out of town for a week, but this was waiting when I got home from Air Venturi Support:

So an avenger should have 5 1/4 turns in from all the way out.
So if you wish you can degas, turn the hammer all the way out, it wont fall out. refill, set the reg to your desired amount on increase (remember
never lower until you degass) then start your turns, and yes all Avengers are different believe it or not, meaning
in rounds they like, hammer spring 1/4 turn amounts etc etc
let me know how this works

So, according to support, we should all have 5 1/4 turns. I'll be working on my gun this weekend. Will post if it changes. . . . . . .

 

[Saltlake58]

Surprisingly, had a quick opportunity to test the gun. Backed the hammer spring out all the way and screwed it in3 turns where it stopped. I applied more pressure and magically, I get 2.25 more turns. I ran it in and out several times to loosen it up. Still a bit tight around 4 turns but working. Added over 100 fps to slugs though topping with 21 grain FX hybrids at about 850. Not enough oomph for slugs, so will be tuning down to the lower end of the spectrum. At least I know what's going on with the gun now and can tune accordingly.

Thank you Air Venturi Support!