At a 100 yard zero, the bullet should be about 7 inches low at 200 yards. 100 Yard Zero – Not a bad option at all. but i dont have any info for 50. whats the average impact at 50 with a 168gr 308 with a 100 yard zero is it high or low. If you zero for 200 yards, your 100 yard holdover is about 1.4". TABLE TWO If you have an AR-15, then you need to zero it. Take a ruler to the range. – You want to zero your rifle in at 25 yards because it will allow you to have accurate shot placement from point blank to about 300 yards. Zero Range: 0 yd Chart Range: 1000 yd Maximum Range: 5905 yd Step Size: 25 yd: International Standard Atmosphere Altitude: Sea Level (0 ft) Barometric Pressure: 29.92 Hg Temperature: 59° F Relative Humidity: 50% Speed of Sound: 1116 fps 25 Yard Zero – I don’t care at all for sighting in at 25 yards. My come ups are 3.5 moa to get centered at 300 yards, another 12 to 12.5 moa to be centered at 600. if you zero at 200 yards you'll never be over or under 3" high or low all the way to around 230 yards. If you desire to sight in any rifle at 300 yards and you only have a 50 yard range you would simply look at the ballistic table for the type of ammo your shooting (I.E. At 300 yards it has dropped around 13 inches, and at 500 yards it’s just under 60 inches (5 feet). You may not have access to a 300-yard rifle range, or even a 200-yard rifle range. That means that with a 100-yard zero, the bullet will rise ½ inch above line of sight at 50 yards; 1.8 inches above at 100 yards with a 200-yard zero, and 4.7 inches above at 150 yards with a 300-yard zero. When zeroed at 25 yards the round will also be zeroed at 300 yards. I shoot 168 grain SMK's 90% of the time through .308. It’s also easier to find a range that can accommodate sighting in at 25 yards opposed to 100 yards. Display Modes: Assuming a 168gr .308 cal round at 2700 fps, if your scope is mounted 1.5" over the bore and you zero for 1" high at 25y, you will be 6.7" high at 100y. Email this Page. I can zero at 50 yards and know I can still land a shot at 200 yards. So my question to the experts is a 100 or 200 yard zero? It adjusts from 200 to 600 in 100-steps, and it's got a 350 step in there, too. You're not zeroing at 25 yards. Next, let's look at 308WIN, same manufacturer, 150 grain FMJ. Initial POA/POI is 55 yards, giving a 50 yard … The 300 yard zero would be very practical, however if you don't have a range to shoot the 300 yards to confirm the zero, I would not use that. The following is a 1000 yard .308 ballistic chart that was created using our free online ballistic calculator and details all aspects of the bullets trajectory from the millisecond it leaves the barrel until the time it reaches the 1,000 yd mark. I zero ALL of my rifles for 200 yds., .223's, .270's, 30-06's, .308's and my 6.8x43. federal .308 168 GR Boat Tail) You would then go to federalpremium.com and look at where the 50 yard trajectory is when the zero is set to 300 yards. Again, we'll zero at 200. But what I really do now to sight in my .308 and .30-06 is sight them in 2 inches high at 100 yards. dont have an opportunity to use private property as a range so im stuck to the local one which starts at 100 yards. Using an MPBR zero, you can also zero at shorter ranges. All of mine and my dad's rifles have 50 mm scopes mounted in Leupold high-elevation rings. Actually I use the 25 yard first method and don't even eye it at 25 yards. In the recent carbine courses we have discussed various yard lines to zero your rifles along with the pros and cons of each yard line. If I need to shoot at longer ranges then I adjust my scope but otherwise they stay with a 200 yd. So if you have a scope ht of 2.0" and your 308 fed 168 gmm drops 2.0" at 85yd, then parabolic zero is 85y. That leaves me a 1" holdover at 100 yards and follows mil-dots perfectly out to 500 yards. Just getting the scope on paper. “You can figure it in your head.” But if your zero is at 200-yards, 250-yards or 300-yards, and your target is at 725 yards? I was wondering if it was shooting low because it was bore sighted at about 200 yards or something like that. Wouldn't parabolic zero be the distace at which your projectile drop equals the distance of your scope height above barrel center. How to Zero a Riflescope at 100 Yards. No matter which I shoot I always know where it's going to hit no matter if I'm hunting or killing paper. Click on a term to search for related topics. Hey guys, so I am wanting to zero my rifle at 300 yard zero with 55 grainers, this can be achieved by either zeroing at a 300 yard target or a 36 yard target. For the 129g SST in the same rifle 1 inch high gives me apx 170 yard zero and apx 1 -1.5 inches low at 200 yards. Now you must do some fancy calculating. The cataloged short-range and long-range zeroes for the same bullet in the .30-06 Springfield and the .300 Winchester Magnum are the same: 150 yards and 200 yards. Step 4: You want your bullet to impact 1-inch low from the center of the 25-yard target to be able to hit your target at 100 yards. If I dont have access to a 36 yard target can I achieve a 300 yard zero at 25 yds by shooting .2 inches high at 25 yds? At 1,000 yards, that translates to 10-inch or 10 MOA groups. zero. If so I only want to bring it to the left to compensate for the inch off to the right. Which essentially means you zero at 50 yards and your bullet will hit the same point of aim at 200 yards. Next, let's look at a Federal Power-Shok 22-250 55 grain PSP...again, zeroed at 200. You've studied that chart, and you know that with a 100-yard zero your bullet will hit about 1.2 inches low at 150 yards, 3.75 inches low at 200 yards, and a whopping 14.25 inches low at 300 yards - should you ever dare to shoot that far. At 1000 yards a .308 Winchester will have dropped around 400 inches (30 feet) where it has lost 55% of its velocity. Because at 25 yards you won't be off paper as much as at 100 yards just by eyeing it. I use my .223 for varmints out to 500 yards so I shoot a 50g VMax at 3450 fps zeroed at 200 yards. I plan on pushing federal gold match 168 gr. A 50 yard zero allows the shooter to use a simple center-mass hold to ranges of point blank to 200-250 yards, depending on rifle and ammunition combination. I don't have access to a 100-yard range, but I can get about 80 yards at Wilson Shoals WMA. You can print drop tables to figure where you might hit at 300 but there are so many variables that you need to shoot at 300 to confirm that zero. The 36 Yard Zero Target. ARMA DYNAMICS recommends a 50 yard zero for your AR-15 rifle. Why a 25 yard zero? If you zero that same .308 for dead-on at 25 yards, you'll be 2.6" high at 100y. With a 1" low at 25 yards zero, I'm about 1.5-2" high at 80 yards. Hold over about 3" at 200. I zero every high power rifle I own for 200 yards and work off that zero. Actually, MRT occurs a little beyond the half-way point – like around 115 for the 200-yard zero, and 170 yards for the 300-yard zero. I just put up a bigger target like a 24"x24" and shoot at the dot I put in the center. It should be about 10" low at 225 yards or approx. The .308 Winchester round shoots pretty flat out to 200 yards when it starts to drop. Moderator Tools: Show Printable Version. Result for 200 Yds +2.7” Zero -8.71” -24.2" -47.9" The only notable variance is at 400 yards - but even there we are within 1/4 MOA. This places that same .270 bullet 0.4 inches low at 25 yards, 1.41 inches high at 100 yards, 2.51 inches low at 250 yards and finally slips below the 6-inch vital zone at 257 yards. The 50 yard zero provides for effective center-mass hits on target at the ranges where a carbine is most commonly used. Never been off paper yet. With a zero of 100 yards the .223/5.56 round will impact approx 3/4″ low at 50 yards and around 2.25″ low at 200 yards. 200 meters. There are many factors that affect where a certain cartridge will impact at 25 yards with a 100-yard zero. I am assuming that your Mini-Thirty has a 16" barrel and the velocity is somewhere around 2350 ft/sec. There are ballistics programs that will give you the precise 25-yard impact. Later he handed me a M16 (.223) and me to sight it in at 25 meters and I should be able to hit a man size target at 250 meters. I plan on using it for some local competitions that reach out to the from 100 - 700+ yards and use it for hunting in under 500 yard range. Initial POA/POI is at 36 yards, but now, the difference is .5 inches at the 50. 200 yard group, 308 200 yard zero, black hills match 155, convert 50 yd zero to 100 yard on m1a scout, m14 200 yards, m14 bz at 100 yards, zeroing 308 at 100 vs 200 yards. 08/23/2019 ... at 100 yards instead of shooting dead center in order to better prepare for 200-plus yard shots. When I shot my new .270 at about 50 yards, it was about 2 inches low and an inch to the right. To test this, look at Tables Three and Four, where we again use Blatt's data for this same Federal Supreme round, this time converting the trajectory from a 100-yard zero to a 500-yard zero. and will max it out the range at 1000 but most of my shooting will probably be done under 800. The sighting axis of my red dot scope is about 2" above the bore axis, so from ballistics tables I figured the Point Of Impact to be about .9" below the Point Of Aim at 25 yards would approximate a 100-yard zero for my 150-grain .308 FMJ BTHP. Fifty yards is our initial intersection, and 200 yards is our true zero. And with this 50/200 zero when you aim dead […] Then I shot at 200 and 300 yards … zeroed a new hunting rifle at 100 yards and documented what i need to dial at 200 yards. The legend is that a 25-yard zero will be about right at 100 yards, but this is not true. “With a 100-yard zero, there’s just that easy one-to-one correspondence,” says Vaughn. Since the dope chart above works out to 0.2" low at 300 yards, with a 25-yard zero, I set the MaTech rear sight at 300 yards to dothis 25-yard zero. This works, kind of. For those that have attended the courses now know that when it comes to your go-to 5.56 caliber carbine rifle that you would pick because it is best suited for all possible scenarios, the 36 yard zero seems to be the perfect fit. So with a 200 yard zero, a hunter can hold dead on from 0 to 257 yards and kill the animal, assuming he does his part and fires an error-free shot. Or if your scope ht of 3" and your 300 Win Mag 190 gmm drops 3" at 118y, then parabolic zero is 118y. If the height of the scope changes (or … For example, the cataloged short-range zero for Remington's 150-grain SPCL .30-30 Winchester cartridge is 100 yards, and its long-range zero is given as 150 yards. It details drop, time, energy, velocity, range, and does so in 50 yard steps that are easy to understand. One of the most popular “Battle sight” zeros for the AR-15 is the 50/200. Left to compensate for the inch off to the right know I can still land a shot at yards! 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