Your rifle scope is zeroed when you hit the target dead center or in less than a 2-inch deviation. 'C =f d4ASiDVkYO~g*N3T@XhV.v&O9ni{ The goal here is to begin at 100 yards and progressively increase your zero as you improve your shooting skills. Massive popularity conveys a huge selection of ammo, including military surplus, as well as decades worth of firearms to choose from. Thanks everyone and thanks especially to lowegan, that really helped. Such bullets expand easily on soft skinned game like deer and are accurate in most 308s. When it comes to zeroing a rifle scope, there are no rules that say you must zero a rifle at a particular distance. Most shooters prefer to zero their rifle scope at a short distance like 25 yards, others zero their scope at 50 yards, but 100 yards zero is the optimum range. I plan to get to the range with it this weekend to zero in the scope and have some fun. Every shot will kill a deer guaranteed. The 308 has substantial drop at 300 yards to make turn good aim into a crappy shot. Zeroing a scope at 100 yards is simple, and even amateurs can easily zero a scope at that distance without any challenge. 1/4 MOA scope would be about 10 clicks up since 4 clicks at 100 yards is 1 inch). It is important that you take note of your ammo, wind, range, and so on so that you can precisely replicate those shots when needed. Here's the chart I was looking at. I'm shooting the Barnes TTSX 168 Gr. His reloads, particularly for 9mm, were in great demand during the height of the ammo shortage among family and friends. This approach requires more time to fire and may not always perform properly if you go beyond a certain distance. In experienced hands it can hit a 1,000 yard target. Ammo: When you zero for a given distance, the quality of your ammo would influence your aim. ShootersCalculator.com is in the process of being massively overhauled. using Hornady 168gr A-MAX Superformance Match factory ammo. Every caliber is different. 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. 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By Chuck Hawks. It is a great investment if you want to get into long range shooting and will be especially useful if you handload. To compensate for bullet drop, you must zero the rifle scope such that it shows the impact point (where the bullet will hit) at a given distance rather than the direction of the barrel. i am about to buy an m1a scout with an 18.5" barrle and have no idea where to zero it at. For a better experience, please enable JavaScript in your browser before proceeding. Generally, zeroing your rifle scope can make or break your hunting expedition. Sorry but I keep going over this if he is zeroed at 100 and presuming his scope is 1.5" to 2" above the bore axis, how could it hit 6-8" low at 50 yards? AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. A rifle that has been zeroed at 100 yards might not be accurate while firing at 300 yards. Set targets out to 200 yards Now, move the paper targets to 200 yards and repeat the whole process. Whatever you do, do not practice off the hood of your car until you have a clear understanding of your question: To be sure of hitting the target, shoot first and call whatever you hit the target. This might seem arcane and boring, but it's at the heart of how we hit or miss game. 458 Socom ? Hunt In: Tom Green Co., Coke Co., Oldham Co., and any other place I get a chance to. Simply connect it to the end of the gun and set its crosshair by looking through the scope. If you like to ear hole them then you may look at fine tuning a bit more for your set uo. The 270 Winchester has been described as very flat shooting similar to a 6.5 . This is because most hunters and shooters have their shooting activities within the 100 yards range. And only 3.5" or so low to 300. 200 yard zero, sited on 50 per ballistics, varrified at 200. I like a 100 yard zero and learn/print a drop table. Not that it really matters, but there is one small thing here that I want to point out. There is nothing wrong with what you said. The Rise and Drop are expressed in INCHES. Bullet drop, wind drift, and energy loss become increasingly pronounced the farther a 308 Win reaches. 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. dont have an opportunity to use private property as a range so im stuck to the local one which starts at 100 yards. You can zero your rifle scope for 100 yards and shoot at a distance of 25 yards. I zero my 308 for 2.5" high at 100 with a 168gr. You must remember that a bullet does not move in a straight path when fired from a rifle (bullet drop). If I recall, while in the military we zeroed our m4's at 50 and that equated to a 200-225yard zero. To make it as accurate as possible, it is important that you input the most accurate information that represents shooting conditions, your firearm, and cartridge. Shoot! It is this bullet impact point that you would use to zero your rifle scope. I ran this based on your Hornady 168g Amax. Another factor for long range shooting is the elevation adjustment range provided by your scope. You can zero a rifle scope at a distance of 25 yards, 50 yards, or even 150 yards if you choose. When setting your zero at 100 yards, check to see if the scope and bore are aligned. When you buy through our links, we may get a commission. I use a 223 or 22lr for the 25 yd to 175 yd shots. Additionally, Accurateordnance.com participates in various other affiliate programs, and we sometimes get a commission through purchases made through our links. While few law enforcement riflemen zero their weapons beyond 100 yards, I'd rather risk giving you too much information than not enough. If you shift your eye to the right or left as you look through the scope, you will notice a tiny movement on the scope. Mike is a long-time shooter. Bore sighting is done when you look through the bore after removing the bolt from the receiver. 6.5 CM vs .308 Ballistics Comparison 6.5 Creedmoor vs .308 Velocity. If you do not have a Shooting Chronograph, I strongly suggest you purchase one. Posts: 886. You can also zero your scope for a longer range. He currently reloads for over 10 calibers, both handgun and rifle. Okay, this is way more complicated than I thought and, apparently, there is no correct answer. Save my name, email, and website in this browser for the next time I comment. If you zero for certain ammo and then swap to another ammo like Remington magnum cartridge, your entire setup would be thrown off. What rifle, scope and ammo are you using? Example you can hit the 6 inch vital zone typical of a whitetail deer all the way out to 272 yards without holding high (above the animal) or low you just aim at the vitals and squeeze the trigger on your 308. More like 6.5-7" low at 300 with a 168gr bullet at around 2700fps. Trajectory curve of bullets from most bottleneck cartridges in the .243 Win. I am planning to go back and really sight it in @ 100 yards. I went to the range and got it on paper and grouping okay. *Must have a registered ARFCOM account to win. A This is why experienced shooters use a book to keep track of scope adjustment and accuracy at various shooting ranges. Your email address will not be published. Bore sighting lets you anticipate where the bullets will strike based on the angle and direction the gun barrel points to. {:hd 30aq[tTas. Using 168gr Sierra Match King HPBT and a 100yd zero, you will be almost dead on at 50 yards.. The 308 Win's .308" bullet is commonly available in 150, 165, and 180 grain weights, which are substantial enough to make short work of a great variety of game. In such cases, a 100-yard zero is perfect. The steps to take when zeroing a rifle at any given range are simple and straightforward. 90,LAV-);8p Bullets drop at different rates depending on their length, velocity, weight, and projectile type. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. when i search the forums for the .308 zero i come up with many different answers. Excellent info from Iowegan. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. You can use any laser bore sighter that is convenient for you, whether red or green light. If your target is 1,000 yards away, the bullet drop would be several feet, and most riflescopes do not have that kind of range. Magnetic boresighting is the third type. Thus the difference is 74.61 inches. A That gives me p.o.a. Sort of like dropping a pound of feathers an a pound of leadwhich would hit the ground first? You are one of the most knowledgeable people on this site. So what does the charting of the .308 Winchester's external ballistics tell us exactly? Both the 308 and 270 are capable of sub-MOA groups with most factory loads and hunting rounds. If youre still a few inches off, make smaller changes until your shot is dead center. Firstly, you can make use of a visual bore sight by aligning the sights with the center of your rifles barrel. Bullets do NOT rise. So even if you put your reticle's 200-yard drop marker right on his heart, you're going to hit more than four inches low. While some disparage the 308 Wins low power, others uphold its lower recoil as its primary benefit. in .308. Your information will never be shared and you can unsubscribe with one click at anytime. `Bi4+VV8=tE07av28~l,zM!9tVgx1Ps` s4 pG*D@s eSjz60A0kA( 8L;"S> TX&0 #%-@K hC4>pfOQG,-DkiMN1NkCy (GaYe7Hp O Come join the discussion about optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more! I'd put the bullet a couple inches high at 100 and take advantage of the trajectory of the 308. If you zero at a longer distance and then fire at 100 yards, you must change your elevation otherwise your shot will be too high. Like I said I'm no expert, I don't have fancy equipment, I don't use a Chrono, and I really have nothing to base my opinion on other than my personal experience. Second, a laser bore sight can be used. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. Center mass at 250 and horizontal reticle level with back at 300. However, the elevation range of your scope may not be adequate to change by that much, and you will still miss your shot. The direction of the barrel can be seen when you bore sight. That proved not to be the case, however, so the 30-06 saw continued use well after the Korean War ended. Ballistics is the science or study of projectiles in flight. 1998 - Present. Sighting-in a hunting rifle to hit a certain number of inches high at 100 yards (or 100 meters) maximizes the point blank range of the . You would need to adjust the elevation and windage by 12 MOA up and 16 MOA right if the bullet hits the target 3 inches below and 4 inches to the left. Starting out at 2840fps muzzle velocity (over 100fps faster than the standard A-MAX load from Hornady) this bullet is sighted-in to zero at 240 yards and is 39.16 low at 500 yards. My two varmint guns are zeroed at 225 and 275 yds. The average drop at the 100 yards is 1.3 Inches up, but then at 200 yards, the bullet drop is at 0 (200 yards is the zero point or the range the rifle is sited for). Take another test shot after adjusting the scope to see where it lands. The two most important variables are the Initial Velocity and the Ballistic Coefficient. Bullet Weight: 168 gr Initial Velocity: 2700 fps Sight Height : 0 in Shooting Angle: 0 Wind Speed: 0 mph Wind Angle: 90 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% (Some tactical missions, such as skyjacks, of course, may require a more distant zero.) The email address you entered is not valid. If you try to zero at 1,000 yards and then shoot at 100 or 200 yards, your bullet would be totally off target. In this article, we will learn how to zero a rifle scope at 100 yards. 1.27 inches low at 150 yards. With the Ruger American Rifle in .22 Magnum, several shots in an inch at 25 yards is easy. I zero every high power rifle I own for 200 yards and work off that zero. To increase accuracy, make sure you set the scope for proper bullet drop before shooting. Heres where the caliber came from and what you can expect when shooting it. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. In spite of its inferior ballistics to most modern hunting cartridges, the 308 Wins massive popularity and still perfectly serviceable accuracy and terminal performance mean its not going away any time soon. Some shooters fire three shots to see whether there would be a shift with each shot. Using my rule-of-thumb, the 25% drop is -177.5 inches at 725 yards, very close to the actual drop of . so what .308 zero gives you the most versatility? It will be close in our normal atmosphere, but I would suspect a slight difference due to the bullet shape generating some small amount of lift. Whitetail sized deer are best taken with a 150gr bullet from Sierra/Swift/Hornady. He donated hundreds of rounds to informal shooting sessions. As a general guideline a group 1 to 1 /12 inches high at 100 will zero close to 200 yards. n&6VJF +x.,A(TtCz '+ =mkh4! A long range zero, such as a 1000-yard zero, is only useful when firing at that distance. so where do you like to zero and why? By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories side by side. We do not specifically market to children under 13. BOATTAIL HOLLOWPOINT Zero in your rifle at 100 to 1000 yards based on 100 Yard Increments. Slower, flat-nosed bullets from . ?') #D(xk9 ~e~Ew NFn0s?- Cw5xiOcb`?@Q9#F0B|BJaxV Winchester had already introduced the 308 Win two years earlier, however, and it featured virtually the same T65 design that the 7.6251 would as well. This means youll need to adjust your scopes elevation turret to come up 7.47 MOA. If your rounds arent hitting the target, it might suggest your scope has to be adjusted more. For the .308 Winchester, 168-gr. Zero Distance: 25 Yards: 25 Yards: Ballistic Coefficient.625.552: Altitude: 0 ft. 0ft. Copyright 1996-2023 AR15.COM LLC. Diary: Some shooters use a book and a pen to perform calculations while trying to set up the zero. ballistics software and start calculating 308 ballistics. Typically, a lower correction of .5 - 1.5 is required. For example the Angle of departure for the '06, is 2.7 for M1 ball, 2.3 for M2 ball, and 2.4 for M2 Armor Piercing, Moving to 1000 yards the angle of departure for M1 ball is 43.5, 44.6 for M2 ball ad 46.2 for M2 Armor piercing. Nosler AccuBond, The Best Self Defense Ammo Ballistic Testing.