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  #1  
Old 07-28-2017, 4:11 PM
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Default 25 year old Mark 4 scope is acting up.

Well, looks like I will have to use that lifetime warranty. My 1990's era Mk4 M1-16X suddenly fails to reliably return to zero. I guess all that griping on SnipersHype about Mk4's is right....LOL

Any feedback on someone else's experience with Mk4 repairs?

Last edited by smoothy8500; 07-29-2017 at 9:12 AM..
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Old 07-28-2017, 10:03 PM
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I have a early 80's Mark-IV 10 X 42 with marking Leupold & Steven still clear perfect as of to date no problem.
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Old 07-29-2017, 7:14 AM
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I just sent in an older (2004) Vari-X III Tactical 3.5-10X40 that I recently bought used. It had an issue with the M3 turret only having 22 MOA of drop adjustment once zeroed. Tracking otherwise seemed good, but the limited adjustment range made it nearly useless for long range use. It just arrived in Oregon a few days ago, hopefully it's an issue they can fix.
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Old 07-29-2017, 9:17 AM
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It's only the last few years I've been using it for Midrange F-TR matches. I figure the running up and down nearly 16 MOA every match finally did it in. It seems to be a common complaint about the Mk 4 line-failure to return to zero. But then again, it is over than 20 y/o scope.
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Old 07-29-2017, 9:24 AM
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Quote:
Originally Posted by FMJBT View Post
It had an issue with the M3 turret only having 22 MOA of drop adjustment once zeroed. Tracking otherwise seemed good, but the limited adjustment range made it nearly useless for long range use.
I have a similar Vari-x tactical scope-it only has total elevation adjustment of 40 MOA. You might need a 20 MOA base?

Last edited by smoothy8500; 07-29-2017 at 9:28 AM..
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  #6  
Old 07-30-2017, 2:39 PM
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Originally Posted by smoothy8500 View Post
I have a similar Vari-x tactical scope-it only has total elevation adjustment of 40 MOA. You might need a 20 MOA base?
That's disheartening to hear. Being a used scope, I didn't get an owners manual/spec sheet with it and figured with it's military pedigree that it would have more internal travel than that. Seems odd to put M3 turrets with 60 moa per revolution on a scope that has only 40 moa of adjustment range, but coming from Leupold I guess I shouldn't be too surprised, lol. Hopefully they can find a way to give me a few more moa out of it. If not, I guess I'll have to be content with only being able to dial out around 700 yards or so with it. A 20 moa mount is really not an option for my setup as it's a clone of the MK12 Mod 0 that was only issued with #22 A.R.M.S. rings:

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Old 07-30-2017, 9:28 PM
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Nice rig. But if it's the 1" tube, then 40MOA is all they can fit in that tight space. A 30mm tube has more room for a larger erector. Seems counter intuitive to put M3 knobs on a scope with limited elevation adjustment. I'm assuming it's for the bullet drop specific M3 knobs. Funny, my Vari-X III has been fully reliable all these years. But I mainly use it with NRA midrange which is 300 to 600yds, so I only need 16MOA elevation.

Last edited by smoothy8500; 07-31-2017 at 6:24 AM..
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Old 07-31-2017, 9:11 AM
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Quote:
Originally Posted by smoothy8500 View Post
Well, looks like I will have to use that lifetime warranty. My 1990's era Mk4 M1-16X suddenly fails to reliably return to zero. I guess all that griping on SnipersHype about Mk4's is right....LOL

Any feedback on someone else's experience with Mk4 repairs?
No.

But I did send in a Vari-XII for work and upgrades. When it came back, it appeared they "serviced" the scope as well WRT lenses etc.

Long story short, it came back better than ever, and even though it was a paid-for-service trip back to the factory, I am impressed with the attention to detail they put into even my budget scope.
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Old 07-31-2017, 9:22 AM
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Quote:
Originally Posted by smoothy8500 View Post
Nice rig. But if it's the 1" tube, then 40MOA is all they can fit in that tight space. A 30mm tube has more room for a larger erector. Seems counter intuitive to put M3 knobs on a scope with limited elevation adjustment. I'm assuming it's for the bullet drop specific M3 knobs. Funny, my Vari-X III has been fully reliable all these years. But I mainly use it with NRA midrange which is 300 to 600yds, so I only need 16MOA elevation.
It's a 30mm tube. Pretty much identical to the Mark 4 scopes, just marked on the front ring as "Vari-X III". The M3 turrets are marked with BDC ranges for the M118 LR 7.62 NATO round, which is reasonably similar in trajectory to the 75 grain Hornady pills I typically run through this setup. At some point one of the previous owners also had it converted to FFP with a gen 2 mil dot by Premier Reticles. I've heard conflicting reports on Leupolds willingness to work on scopes modified by Premier, but this one was done when the two companies were still on good terms so hopefully they will do the repair work on it.
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Old 07-31-2017, 1:40 PM
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The M3 turrets are marked with BDC ranges for the M118 LR 7.62 NATO round, which is reasonably similar in trajectory to the 75 grain Hornady pills I typically run
Funny how that works on almost all service rifles. M1 Garand, M1A, AR15, M40A1, they all are pretty close at 200, 300, 600yds. The old NRA "Across the Course" rule of thumb for bullet drop still holds true.

Hopefully Leupold gets your scope taken care of. I would think the 30mm tube would get you 75 MOA of adjustment. My Mk 4 M1-16X has 140 MOA of total adjustment. That elevation knob looks like it's three inches tall!
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Old 07-31-2017, 9:31 PM
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Send back to Leupold, just got my MK6 back today, already mounted up, hoping to sight it in Sunday and the following week go shoot some longer range.
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Old 08-01-2017, 5:50 AM
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Send back to Leupold, just got my MK6 back today
It's sent in already. How long did it take Leupold to fix, and how was their comunication?
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Old 08-01-2017, 6:36 PM
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It's sent in already. How long did it take Leupold to fix, and how was their comunication?
About 3 weeks, it was ok.
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Old 08-01-2017, 8:15 PM
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Quote:
Originally Posted by FMJBT View Post
That's disheartening to hear. Being a used scope, I didn't get an owners manual/spec sheet with it and figured with it's military pedigree that it would have more internal travel than that. Seems odd to put M3 turrets with 60 moa per revolution on a scope that has only 40 moa of adjustment range, but coming from Leupold I guess I shouldn't be too surprised, lol. Hopefully they can find a way to give me a few more moa out of it. If not, I guess I'll have to be content with only being able to dial out around 700 yards or so with it. A 20 moa mount is really not an option for my setup as it's a clone of the MK12 Mod 0 that was only issued with #22 A.R.M.S. rings:

What's the total weight of that rig complete with sling, bipod, etc?
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Old 08-02-2017, 6:38 PM
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What's the total weight of that rig complete with sling, bipod, etc?
I haven't weighed it in this exact configuration, but with the heavier 4-16X44 scope and A1 stock I had on it a while back it was just under 12 pounds. Figure with the lighter Leupold scope and SOPMOD it's probably right at about 11 1/2 pounds.
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Old 08-11-2017, 10:35 AM
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So I got a call from Leupold today about my scope, turns out the limited elevation travel is actually caused by the FFP conversion done by Premier Reticles. Having the reticle housed at the front of the erector tube increases the diameter of the assembly, causing it to bottom out much sooner than the standard SFP erector tube assembly would. They can fix it, but it will involve converting it back to SFP and losing the Premier gen II mil dot for a standard Leupold mil dot or TMR reticle. As much as I like having FFP on that scope, I'd much rather have a usable amount of elevation travel on the reticle, so I'm having them convert it back to standard Leupold specs.
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Old 08-11-2017, 10:47 AM
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TMR reticle is pretty decent. As for FFP/SFP, most people have the scope at max zoom anyways when quote "ranging" so you don't really lose anything. Even at 25X (or more) with a heavy mirage you can still make out an outline of your objective.

Are they charging you to retro-fit the erector assembly?

Last edited by smoothy8500; 08-11-2017 at 10:53 AM..
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  #18  
Old 08-11-2017, 8:06 PM
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TMR is what I had them go ahead with. The guy I spoke to didn't mention anything about billing me for the work, so at this point I'm going to assume it's covered under the warranty service...... Hopefully.
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Old 08-16-2017, 12:23 PM
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You should I traded that FFP scope for the one you wanted. Instead of butchered a nice premier conversion.
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Old 08-16-2017, 2:36 PM
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You should I traded that FFP scope for the one you wanted. Instead of butchered a nice premier conversion.
Over 25 years ago the Premier conversions and power "boosting" were a great modification to upgrade the scopes you had available at the time. It was just cheaper than buying a new scope with those features, not necessarily better. As seen by the limit of 40 MOA total elevation.

Last edited by smoothy8500; 08-16-2017 at 2:47 PM..
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Old 08-16-2017, 6:17 PM
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I have a few of them... I know all about the conversions.
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Old 08-17-2017, 12:01 PM
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Originally Posted by Cypriss32 View Post
You should I traded that FFP scope for the one you wanted. Instead of butchered a nice premier conversion.
The gen II mil dot reticle was pretty nice, and I always prefer FFP on tactical scopes, but that limited elevation travel made it just slightly better than useless to me for long range work. There were also some small spots of dirt or grease stuck to the reticle that needed to be cleaned up, and Leupold would only do that work on their own parts as well. So bottom line, converting it back to SFP with factory Leupold parts was really the only way for the lifetime warranty to be of any use to me, as Premier is no longer in the business of converting or servicing Leupold products.
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