LPVO guys....what distance zero?

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[ARCHIVED THREAD] - LPVO guys....what distance zero?

Posted: 6/5/2019 9:08:41 AM EDT

Guys running LPVOs....Just jumped in the game. Razor 1-6. Running it like a dot, both eyes open primarily on 1x....Y'all zeroing at 50 still?

Posted: 6/5/2019 9:15:58 AM EDT

[#1]

Depends on what you plan to do with it and what reticle you picked.

a 50yd zero is going to keep you within +/- 2" out to 250yd.
If you went with the BDC reticle, I believe it is intended for a 200yd zero, but that should be pretty close to a 50yd zero.

Posted: 6/5/2019 9:26:38 AM EDT

[#2]

50 for me.

Posted: 6/5/2019 9:31:47 AM EDT

[#3]

100. I've been gradually moving everything to 100. All DOPE is up. It's less to keep up with for me. Close-in, sight offset doesn't have any material difference between 50 and 100. At range, for .223, the difference in MPBR between 100 and 50 (or 200) isn't significant enough for me to bother with a zero that has two intersections with the line of sight versus one.

Posted: 6/5/2019 9:44:07 AM EDT

[#4]

Quick little comparison of zero distances.

Posted: 6/5/2019 9:58:46 AM EDT

[#5]

50

Thats a heavy 1x dot you got there.

Posted: 6/5/2019 10:01:33 AM EDT

[#6]

I zero at 50

Posted: 6/5/2019 10:14:05 AM EDT

[#7]

200 for bdc

Posted: 6/5/2019 11:09:59 AM EDT

[#8]

Zero at whatever distance you need to get your specific load to match up to the stadia lines.

On my Razor 1-6x I zeroed at 100 for 55gr M193 and 50 for 62gr .223. 75gr was something weird.

Posted: 6/5/2019 11:16:44 AM EDT

[#9]

Here’s what my dope looks like with my standard long range load and the LPVOs I most commonly use with a 50 yard/46 meter zero.

Distances in meters.

Attached File

Posted: 6/5/2019 1:04:46 PM EDT

[#10]

Steve Fisher recommends a 200yd zero.

The 50/200 thing is a starting point. Always confirm zeros at multiple distances.

Posted: 6/5/2019 2:23:13 PM EDT

[#11]

Non-magnified get a 50yd zero, magnified get a 100yd zero. Since my scopes are zeroed at their highest magnification, a 1x-4x/6x gets a 100yd zero.

Posted: 6/5/2019 3:29:15 PM EDT

[#12]

200 yards.

If its the JM reticle, I'd do 200 yards (its designed for that), then fine tune to the 300 yard stadia.

Posted: 6/5/2019 3:33:01 PM EDT

[#13]

200...thinking about fine tuning the second hash mark down @ 300 though.

Posted: 6/12/2019 10:04:43 AM EDT

[#14]

Quote History

Quoted:
100. I've been gradually moving everything to 100. All DOPE is up. It's less to keep up with for me. Close-in, sight offset doesn't have any material difference between 50 and 100. At range, for .223, the difference in MPBR between 100 and 50 (or 200) isn't significant enough for me to bother with a zero that has two intersections with the line of sight versus one.

View Quote

I agree. I was a 50/200y guy for a long time until I started to have to make these calculations on a timer. Now I'm all 100 because yeah dope is all one direction, it helps a lot, especially in match situations!

That said, most every LPVO manual will tell you what zero distance they are designed for, and it differs for every scope.

Posted: 6/12/2019 10:12:07 AM EDT

[#15]

I do a 50/200 zero on my 556 stuff. Was good for 3 gun and anything I normally saw.

After reading up I would do a 200 yard zero if I had a range where I could dial that in. Basically anything under 200 yards you're a touch low, then low again after that. No need to figure out if you're a bit high or a bit low.

Posted: 6/12/2019 10:32:12 AM EDT

[#16]

For 5.56 I zero at 50 with both a red dot and a LPVO.

For Grendel I zero at 200.

Posted: 6/12/2019 11:20:29 AM EDT

[#17]

The Razor reticle (JM-1 anyway) is designed to be zeroed at 200. The Razor was my first LPVO, followed by another Razor, a couple of PA Platinum 1-8s, and a Burris MTac, so I just stuck to zeroing everything at 200 to make it easy to remember everything.

Everyone's rifle/ammo combo is different, but for me, with MK262 ammo and a 200 yard zero, the 300 and 400 yard sub-tensions work out to within 5 yards or so--plenty close enough for 3-gun.

Posted: 6/12/2019 11:58:16 AM EDT

[#18]

Quote History

Quoted:
I do a 50/200 zero on my 556 stuff. Was good for 3 gun and anything I normally saw.

After reading up I would do a 200 yard zero if I had a range where I could dial that in. Basically anything under 200 yards you're a touch low, then low again after that. No need to figure out if you're a bit high or a bit low.

View Quote

With a 200yd zero, you are going to be low until ~50yds, high from ~50yds out to 200yds, and then low after 200yds. There is no way to be "a touch low" all the way out to 200yds.

Posted: 6/12/2019 12:32:11 PM EDT

[#19]

Quote History

Quoted:
After reading up I would do a 200 yard zero if I had a range where I could dial that in. Basically anything under 200 yards you're a touch low, then low again after that. No need to figure out if you're a bit high or a bit low.

View Quote

That's not how it works... With a 200yd zero, you'll peak out around 2" high at 100yd

Posted: 6/12/2019 2:10:10 PM EDT

[#20]

Quote History

Quoted:
That's not how it works... With a 200yd zero, you'll peak out around 2" high at 100yd

View Quote View All Quotes

View All Quotes

Quote History

Quoted:

Quoted:
After reading up I would do a 200 yard zero if I had a range where I could dial that in. Basically anything under 200 yards you're a touch low, then low again after that. No need to figure out if you're a bit high or a bit low.

That's not how it works... With a 200yd zero, you'll peak out around 2" high at 100yd

Accurate. A 100 zero would peak @ 100 and be low at all others. A 50/200 would be low <50 & >200, and a smidge high in between. Yeah, probably peaking at roughly 100, and roughly 2”.

Posted: 6/12/2019 2:13:09 PM EDT

[#21]

To address this question, it really depends on the LPVO, given many have a BDC and should be zeroed however that BDC is constructed. Anything else depends on what you’re doing with the rifle. I like 100 on things I dial so I’m only ever dialing one direction, and 50/200ish on things I dead-hold so I (usually) only ever need one hold.

Posted: 6/12/2019 2:23:12 PM EDT

[#22]

approximation:

Posted: 6/13/2019 8:40:28 AM EDT

[#23]

I zeroed mine at 200 and it works well. Pick something that makes sense to you, and can use without thinking too much.

Posted: 6/13/2019 10:37:56 PM EDT

[#24]

50m

Posted: 6/14/2019 4:24:36 PM EDT

[#25]

200 yards.

The JM reticle is designed for 200.

Posted: 6/14/2019 5:16:18 PM EDT

[#26]

I only run one, on a DG bolt gun, it is zeroed at 50.

If I am running zero magnification, it’s because I am shooting something really close, that has the potential to kill me.

If I am running magnification, then I have time to adjust for elevation.

My though process anyway.

Posted: 6/14/2019 5:40:52 PM EDT

[#27]

I like 100. It makes every holdover high and easy to use.

Posted: 6/15/2019 8:05:48 AM EDT

[#28]

Quote History

Quoted:
Here’s what my dope looks like with my standard long range load and the LPVOs I most commonly use with a 50 yard/46 meter zero.

Distances in meters.

https://www.AR15.Com/media/mediaFiles/241349/FF32A96D-7CA1-4D55-B2D6-F7191F615610_png-969506.JPG

https://www.AR15.Com/media/mediaFiles/241349/3127DCD0-4543-4BBE-B297-D6EA6C07AADE_png-969507.JPG

https://www.AR15.Com/media/mediaFiles/241349/7E0B0DCD-FEDE-458E-AACE-6ECD57F4FCF4_png-969508.JPG

View Quote

What app is this?

Posted: 6/15/2019 10:35:17 AM EDT

[#29]

Quote History

Quoted:

What app is this?

View Quote

StrelokPro

Posted: 6/15/2019 1:19:31 PM EDT

[#30]

Quote History

Quoted:
200 yards.

If its the JM reticle, I'd do 200 yards (its designed for that), then fine tune to the 300 yard stadia.

View Quote

I do this except I do 400 at the 400 yard stadia.

Posted: 6/15/2019 2:01:12 PM EDT

[#31]

This is with real world chrono data from an 18" barrel with Wolf Gold 55gr.

Posted: 6/16/2019 7:14:28 PM EDT

[#32]

I zero my razor based on the ammo I’m using. For 55gr 50/200 gets the BDC pretty close. For mk262, a 100 m zero makes the BDC fall in about as good as you can get with a BDC.

Posted: 6/16/2019 9:53:59 PM EDT

[#33]

50 yards, same as my red dots.

Posted: 6/22/2019 10:23:28 AM EDT

[#34]

ammo used, barrel length and scope height are going to be variables.

id start at 50yds, see where it hits at 200yds, and go from there.

Posted: 6/22/2019 10:31:01 AM EDT

[#35]

Everything above, I zero at 50 then recheck at 100 & 200 to see where I'm at with a particular cartridge. I am amazed how accurate the Strelok pro shown above is for a given reticle once you get your particular cartridge dialed in. I highly recommend the Strelok Pro.

Posted: 6/22/2019 1:01:55 PM EDT

[#36]

Quote History

Quoted:
I zero my razor based on the ammo I’m using. For 55gr 50/200 gets the BDC pretty close. For mk262, a 100 m zero makes the BDC fall in about as good as you can get with a BDC.

View Quote

Actually this was definitely true for me. For a longer barrel and faster bullets, the JM1 BDC is best zeroed as designed. But for my 14.5” velocities firing 75’s/77’s I couldn’t come up with anything that really even vaguely lined up. On StrelokPro I played with minute variations of a 100 zero and found things line up MUCH closer to BDC marks. They’re just one BDC mark off design.

Posted: 6/22/2019 2:06:13 PM EDT

[#37]

Industry shill checking in, on our Swampfox LPVOs the Guerilla Dot BDC reticles incorporate a 50/200 battle sight zero, so you get a nice maximum point blank range setup and then also a BDC out to 500-600 yards.

Also, we calibrated them for 16" barrels running M193 55 grain ammo. A lot of BDC-equipped optics intended for military use are calibrated for 14.5" barrels and M855 62 grain, but we wanted to set ours up for what most civilian shooters really run-- a 16" barrel and the cheaper stuff.

Posted: 6/22/2019 9:38:06 PM EDT

[#38]

I like consistency so I zero everything with a scope at 100, and rarely shoot them inside of 100. Makes it a lot easier when calculating dope at longer ranges

Red dots and pistols at 25.

Posted: 6/23/2019 8:14:04 AM EDT

[#39]

I zero everything at 100, confirm at 200 and 300 to make sure I know where I'm hitting.

Posted: 6/24/2019 4:43:33 PM EDT

[#40]

I recently changed mine to 36-yard zero. M855 and M193 range from from +5" at about 175 yards to -5" at about 350 yards and at 400 yards it's only -12". That is a pretty deadly window compared to any other zero that requires you to holdover after 250 yards.

Posted: 6/24/2019 11:22:30 PM EDT

[#41]

200 yds.

[ARCHIVED THREAD] - LPVO guys....what distance zero?

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