Fifty yards is our initial intersection, and 200 yards is our true zero. zero. At 1,000 yards, that translates to 10-inch or 10 MOA groups. That leaves me a 1" holdover at 100 yards and follows mil-dots perfectly out to 500 yards. dont have an opportunity to use private property as a range so im stuck to the local one which starts at 100 yards. “With a 100-yard zero, there’s just that easy one-to-one correspondence,” says Vaughn. Or if your scope ht of 3" and your 300 Win Mag 190 gmm drops 3" at 118y, then parabolic zero is 118y. I shoot 168 grain SMK's 90% of the time through .308. Using an MPBR zero, you can also zero at shorter ranges. TABLE TWO Why a 25 yard zero? Take a ruler to the range. And with this 50/200 zero when you aim dead […] 200 meters. 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? One of the most popular “Battle sight” zeros for the AR-15 is the 50/200. I don't have access to a 100-yard range, but I can get about 80 yards at Wilson Shoals WMA. With a 1" low at 25 yards zero, I'm about 1.5-2" high at 80 yards. Display Modes: 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. 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. If the height of the scope changes (or … Then I shot at 200 and 300 yards … 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 my question to the experts is a 100 or 200 yard zero? Actually I use the 25 yard first method and don't even eye it at 25 yards. I am assuming that your Mini-Thirty has a 16" barrel and the velocity is somewhere around 2350 ft/sec. 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. If you have an AR-15, then you need to zero it. I can zero at 50 yards and know I can still land a shot at 200 yards. Next, let's look at a Federal Power-Shok 22-250 55 grain PSP...again, zeroed at 200. 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. It’s also easier to find a range that can accommodate sighting in at 25 yards opposed to 100 yards. 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. 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. Again, we'll zero at 200. 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. The 36 Yard Zero Target. 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. If so I only want to bring it to the left to compensate for the inch off to the right. I zero ALL of my rifles for 200 yds., .223's, .270's, 30-06's, .308's and my 6.8x43. and will max it out the range at 1000 but most of my shooting will probably be done under 800. Now you must do some fancy calculating. All of mine and my dad's rifles have 50 mm scopes mounted in Leupold high-elevation rings. If you zero for 200 yards, your 100 yard holdover is about 1.4". “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? 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. There are many factors that affect where a certain cartridge will impact at 25 yards with a 100-yard zero. 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. zeroed a new hunting rifle at 100 yards and documented what i need to dial at 200 yards. 100 Yard Zero – Not a bad option at all. How to Zero a Riflescope at 100 Yards. 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. 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. But what I really do now to sight in my .308 and .30-06 is sight them in 2 inches high at 100 yards. 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. The 50 yard zero provides for effective center-mass hits on target at the ranges where a carbine is most commonly used. 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 Next, let's look at 308WIN, same manufacturer, 150 grain FMJ. At 300 yards it has dropped around 13 inches, and at 500 yards it’s just under 60 inches (5 feet). 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. Hold over about 3" at 200. When zeroed at 25 yards the round will also be zeroed at 300 yards. Initial POA/POI is 55 yards, giving a 50 yard … Email this Page. Initial POA/POI is at 36 yards, but now, the difference is .5 inches at the 50. 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. At 1000 yards a .308 Winchester will have dropped around 400 inches (30 feet) where it has lost 55% of its velocity. No matter which I shoot I always know where it's going to hit no matter if I'm hunting or killing paper. The legend is that a 25-yard zero will be about right at 100 yards, but this is not true. I zero every high power rifle I own for 200 yards and work off that zero. 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. If I need to shoot at longer ranges then I adjust my scope but otherwise they stay with a 200 yd. At a 100 yard zero, the bullet should be about 7 inches low at 200 yards. ARMA DYNAMICS recommends a 50 yard zero for your AR-15 rifle. When I shot my new .270 at about 50 yards, it was about 2 inches low and an inch to the right. 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. This works, kind of. If you zero that same .308 for dead-on at 25 yards, you'll be 2.6" high at 100y. 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. 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. Never been off paper yet. 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. It details drop, time, energy, velocity, range, and does so in 50 yard steps that are easy to understand. 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. Also easier to find a range that can accommodate sighting in at 25 yards, it was shooting because... 200 yd and follows mil-dots perfectly out to 500 yards so I only want to bring it to the.... 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