Rifle Scopes ZCO Turret Cap Set Screws - Sweet Spot?

[chrome]

Own 4xZCOs, big fan, but I've always noticed their turret cap set screws were very sensitive to finding the sweet spot when zeroing.

Unfortunately, I am running into an issue with a 4-20x ZCO (non-NLE) today with the windage turret where no matter what micro adjustment I give the set screws, the cap completely slips like I am trying to re-zero it, or it actually locks the turret in the "locked/down" position and I cannot move it.

Emphasis on I am making super micro adjustments, 5-7degree turns at most, and I cannot get the turret to function normally.

I have an email out to ZCO but was scheduled to shoot this rig tomorrow so thought I'd ping the hive mind to see what blind spot, if any, I have on this.

What am I missing and/or doing wrong?

 

[CSTactical]

Own 4xZCOs, big fan, but I've always noticed their turret cap set screws were very sensitive to finding the sweet spot when zeroing.

Unfortunately, I am running into an issue with a 4-20x ZCO (non-NLE) today with the windage turret where no matter what micro adjustment I give the set screws, the cap completely slips like I am trying to re-zero it, or it actually locks the turret in the "locked/down" position and I cannot move it.

Emphasis on I am making super micro adjustments, 5-7degree turns at most, and I cannot get the turret to function normally.

I have an email out to ZCO but was scheduled to shoot this rig tomorrow so thought I'd ping the hive mind to see what blind spot, if any, I have on this.

What am I missing and/or doing wrong?

Try calling them before they are closed (208) 435-4000

Edit, I forgot they closed early Friday

 

[chrome]

Thx, I did try calling first but they were OOO

 

[CSTactical]

Thx, I did try calling first but they were OOO

I will do my best to try and get an answer for you.

 

[Bravo6niner]

Try calling them before they are closed (208) 435-4000

Edit, I forgot they closed early Friday

You don’t find a better dealer than these guys!!!

 

[gebhardt02]

Just sent you a PM @chrome

 

[CSTactical]

You don’t find a better dealer than these guys!!!

 

[Todc]

Non-NLE aka locking?

 

[chrome]

You don’t find a better dealer than these guys!!!

Faxe

Just sent you a PM @chrome

Thx sir.

 

[chrome]

Non-NLE aka locking?

You got me on that one.

 

[jdsuper]

I had the same issue with my 420. I spoke with the service center in Idaho and was told to back out the turret screws 4-5 times and pull up really hard. Then push down to lock the turret, then tighten the screws. That worked for me and no more issues. You have to make sure going forward to unlock the turret before loosening the screws, set your zero, then push down and tighten the screws.

 

[chrome]

I had the same issue with my 420. I spoke with the service center in Idaho and was told to back out the turret screws 4-5 times and pull up really hard. Then push down to lock the turret, then tighten the screws. That worked for me and no more issues. You have to make sure going forward to unlock the turret before loosening the screws, set your zero, then push down and tighten the screws.

how "hard" did you pull up? and are the set screws captured inside the caps or do they risk coming out?

 

[jdsuper]

I pulled up pretty hard. The screws are captured. After 4-5 turns you will feel a little resistance.

 

[chrome]

I pulled up pretty hard. The screws are captured. After 4-5 turns you will feel a little resistance.

Thx homie. Will try.