Maven RS.6 1-10x28mm Mil Field Evaluation

[Formidilosus]

This is a field evaluation of the Maven RS.6 1-10x28mm scope. This scope was sent to Ryan Avery for an evaluation by a forum member. It was personally purchased. The ammunition used was S2H purchased FGMM168gr SMK . The baseline 20 round group with the lot of ammunition was 1.2” at 100 yards.


The scope:







Turrets:

Pull up/push down locking elevation, zero stop, second revolution indicator. 10mils per revolution. Elevation requires a tool to reset, windage is tool-less.

Of note is that when Turing from the first to second revolution, the turret gets tighter at the crossover.


Locked/down position-



Unlocked/up position. You can see under the turret it is on its first revolution-



Second revolution-




Windage is capped-





Reticle:

It is a mil tree based reticle with a large “donut” for low power visibility.


1x-



1x illuminated (low setting)-





10x-




10x illuminated (low setting)-



The reticle is a .5 mil per hash mark tree reticle, with a large donut. The donut leaves the FOV at 8x and is no longer visible.



Cont….

 

[Formidilosus]

Drop Evaluation RTZ and “Tracking”:


For an explanation see- Scope Field Eval Explanation and Standards


The “test” consists of three 18” drops on a mat- one left/right/top with a shot to check zero after each drop. Then the exact same thing repeated from 36”. Then three drops on all three sides for nine drops on the last part- 15 drops total. This is not “abuse”. The 18” drops are a joke really. The 36” start showing something. And when a scope make/model consistently goes through the whole thing without losing zero, and makes it through the high round count portion, failures in actual use are almost unheard of.

This one was conducted on semi firm soil, with a 1/2 rubber padded mat top.

The rings were degreased and installed with 65 in-lbs on base screws, and 20-lbs on ring cap screws.


Zeroing:

Went without issue. Borersighted, 1 round, adjusted, the next 7 went into the left dot-






Drop evaluation:



The first 18” right side drop shifted POI up .1mil and right .1 mil. It did not move again.

Adjusted down .1 mil, and left .1 mil.



Return to zero:

Next a standard return to zero check was completed on bottom right dot. This involves 200+ mils dialed between each shot for ten shots. After shot #3, the turret locked up on the second rev and would not adjust back down to the original revolution.
At first I believed that it had locked up and would go to the second revolution, as I began with two. However after a few shots not hitting the paper, I pulled the bolt and boresighted finding out that I was now 10 mils high. The way the zero stop and rev indicator works is a bit unique (I will get pictures up later).
After figuring it out and rezeroing (sort of), I went back to the RTZ target and continued. It happened again after shot #5. This time I figured out that the turret was jumping the zero stop; or the rev indicator was jumping the track in the second revolution, making it mechanically be in the first revolution and not allowing it to go back down.
Reset again and finished.

Shots 1-3 are the original zero, 4 and 5 are the first reset, 6-9 the second.




The scope RTZ’d fine. However, the turret skipping the rev/locking up, was a failure.




Adjustment value (tracking):

Used reticle and spotter to measure between top and bottom dot- 7.2 mils.



Bottom dot shows the POI is high (.2) and left (.1mil) as it was after the last turret mess up and reset-



However, the scope actually adjusted 7.7’ish mils, using the top of the cardboard as the center-



Accounting for the zero being off in the beginning, the adjustment value was off 7% at 7.2 mils.





Conclusion:

The drop eval may be redone, as even though it only shifted .1’ish mil, most probably tightening the ring caps would solve that.
The real issue is the zeros top/rev ring skipping and locking the turret on the second rev (but showing that it is in the first revolution)- this is a real problem. It would not surprise me to find that this is a one off issue with this scope. But it also wouldn’t surprise me to find that it isn’t. The second rev indicator is a neat feature, but as with lots I them, it adds complexity and potential failure points.

The adjustment value error of 7%, while consistent and workable if known, is also a bit much.


Glass:

The “glass” is good. Falls off just a small amount at 10x (as nearly all high zoom scopes do), but it still good. The 1x is pretty solid as well- when adjusted for. And that brings up the standard issue with nearly all low power variables: when the diopter is focused for 1x, the image is nearly a true 1x and is clear. However, it is then out of focus at mid power and higher. When focused at 10x, the image is good, but is now out of focus/slightly blurry at 1x, with the apparent magnification being about 1.1 to 1.2x.

This Maven is about in the middle of the common upper end LPVO’s for this effect.


Eyebox:

Good. One of the best 1-10x’s I have seen.



Overall:

If it weren’t for the zero stop/rev lockup, this scope would have been really viable for a lot of uses. As it stands it is another example of “features” causing problems.

The scope was rezeroed and depending on the winders desire may be retried.

 

[Formidilosus]

I believe this is the cause of the locked up turret, it is not round and sticks out from the groove it rides in.

That ring goes around the turret housing, around the zero stop and rev ring.

You can see the metal ring just to the right of the zero stop pin and in the groove; and see that it is bent and sticking out-

That pin rotates around with the turret and rotates the ring onto the second rev-

It seems that metal ring got bent somehow and popped out of the groove in some way. I’m not actually sure what it is for- taking it out does not seem to effect function that I can tell.