He earnedB.S. Although it might not be easy to zero a scope at 200 yards. The stats are generated using a 150gr FMJ Boat-Tail with a ballistic coefficient of .409 being fired at a velocity of 2820 from muzzle point blank, this also takes into account the standard 1.5" scope height, and a gun that has been sighted in at 100 yards. If youre using a gun vice, be sure the rifle doesnt move while youre shooting. By counting the clicks necessary to adjust a scope, you may exactly measure the degree of adjustment required. Look through the scope after setting up the target. The same may be said for the reverse case. 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? so what .308 zero gives you the most versatility? You're going to miss his heart, and probably shoot under him entirely, even if . ballistics software today. ShootersCalculator.com | Ballistic Trajectory Calculator As a general guideline a group 1 to 1 /12 inches high at 100 will zero close to 200 yards. Whitetail sized deer are best taken with a 150gr bullet from Sierra/Swift/Hornady. 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. I was taught to respect my elders . problem is, I'm having a hard time finding them.. Millett - Shooting Tips - MillettSights.com The velocity with which your bullet leaves the muzzle changes, the same thing happens to the trajectory. i own a few ar15's and they are using a 50/300 battle sight zero which works out very well for the platform. Posts: 886. You can then also add atmospheric conditions and angles. He currently reloads for over 10 calibers, both handgun and rifle. If you KNOW you're going to be shooting targets at exactly 100 yards, then the 100 yard zero (obviously) or even the 25 yard zero are ideal. Thank you. Note that gravity has a low effect on the bullet because it is moving so quickly. One of Americas favorite deer hunting rounds, and suitable for a host of other medium and large game as well. You may do this by making your impact point lower than your target distance of 25 yards. What's wrong with that??? Not with a 250 yard zero you won't. To zero this 308 load for another distance, look at the last column in the ballistics report named Zero Adj this stands for Zero Adjustment (MOA). 90,LAV-);8p Zeroing scope at 100 yards - what to expect at closer ranges Berger VLD. Bullet drop increases with distance, and you must compensate by altering the aim point. In such cases, a 100-yard zero is perfect. A scope zero that works .5 to 1.5 inches below the target at 25 yards should be accurate at 100 yards. The limiting factor here is the cartridge and its power. Elk, Pronghorn, Nigai, Carribou. The red light bore sighter usually points a red dot on the target. using Hornady 168gr A-MAX Superformance Match factory ammo. ballistics software for your PC & Mac. I didn't mean to imply that the bullet would actually rise from the firing point. However, when the bullet slows owing to air resistance, the drop increases. Once you are shooting consistently at 100 yards, you can move the target even further out. A 150-grain round-nose from a 30-30 Winchester can stay within the kill zone of a whitetail out to about 220 yards if you zero it 3 inches high at 100 yards. He has been punching paper targets, taking deer and other game and shooting at competitions since about 1975. The graph shows that your .270 Win. Check that the scope mount if it is properly installed. That gives me p.o.a. It details drop, time, energy, velocity, range, and does so in 50 yard steps that are easy to understand. .243 vs .308 Cartridge Ballistics Performance Comparison - Sportsman's That is, assuming your shots are hitting the target perfectly. A short-action cartridge permits a more compact rifle, an invaluable perk during long hunts or treks through the brush. The two most important variables are the Initial Velocity and the Ballistic Coefficient. depends on how high over the bore your scope is. Trajectory is the measure of bullet's path in flight to its intended target. Zeroing in a 308 | GON Forum For the .308 Winchester, 168-gr. Not sure what to do with 270 with cds lealpold caps, but it's set up the same way for now. This approach requires more time to fire and may not always perform properly if you go beyond a certain distance. Rifle scope: This is the major piece of equipment for zeroing your rifle. Firstly, you can make use of a visual bore sight by aligning the sights with the center of your rifles barrel. Rifle Hack: Sighting for 100 Yards at a Distance of 25 Yards Excellent info from Iowegan. .308 win and 7.62x51 trajectory w/ 50 yard sightin - The Firing Line You are one of the most knowledgeable people on this site. Check where the bullet impacts on the target at 100 yards. A scoped rifle will improve your long range shooting accuracy and allow you to shoot a dead center shot. If you sight your scope at 200 yards, the bullet drop will only be a few inches compared to when you zero the scope at 100 yards. Youll save a lot of ammo if you boresight. Both the 308 and 270 are capable of sub-MOA groups with most factory loads and hunting rounds. Bass, Trout, and Reds. That's all the input I've got and I hope it helps the original poster. Federal Premium This 308 Winchester ballistics chart shows 150 grain Federal American Eagle Full Metal Jacket BT rounds. Interactive Ballistics Data - Graphs, Tables, and More Zero at 100 yards. We simply need to apportion those 74.61 inches of drop at 725, 750 and 775 yards. Barnes TTSX Ballistic Question | GON Forum ShootersCalculator.com | 308 Win 150 grain Copyright 1996-2023 AR15.COM LLC. I shoot 168 grain SMK's 90% of the time through .308. Second Media Corp., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The 308 Wins .308 bullet has an innately high ballistic coefficient but its power is often inadequate to stay on course very far downrange. Jack O'Connor's Formula For Shooting Game At Long Range Please know that we only recommend products we trust and have used ourselves. *Must have a registered ARFCOM account to win. 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. Berger VLD. The 270 Winchester has been described as very flat shooting similar to a 6.5 . Typically, a lower correction of .5 - 1.5 is required. Hunt In: Eagle Lake. And only 3.5" or so low to 300. You must remember that a bullet does not move in a straight path when fired from a rifle (bullet drop). It is possible to get pretty close to a 200 yard zero while using a rifle zeroing target at 50 yards. i am about to buy an m1a scout with an 18.5" barrle and have no idea where to zero it at. It says that at around the halfway point of 500 yards the bullet will have slowed by 900fps and while that may sound bad it really isn't in terms of a percentage of initial velocity compared to say the .223 Remington (would be 1481fps from initial 3214fps) or the 7.62x39mm (would be 1066fps from initial 2349fps). 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. Hunt In: coke county, tx Nolan county, tx. Bullet trajectory tables and charts, as well as ballistic calculators, can be used to compensate. If you zero at 200 or 300 yards and you intend to fire 1,000 yards, you will not be able to modify your elevation sufficiently to correct for bullet trajectory. Your information will never be shared and you can unsubscribe with one click at anytime. The first thing you should do is mount your rifle, and place the target at the distance you want to zero. A long range zero, such as a 1000-yard zero, is only useful when firing at that distance. Its not often used, but its an excellent technique to zero a scope without firing a shot. 308 Win Ballistic Charts (Federal, Remington, Hornady Winchester) It's an excellent deer cartridge, and bullets around 165 grains can take out deer even at 500 yards. Ensure the scope magnification is set to the highest range to create a clear image. It depends entirely on how high the scope is mounted above the bore. How to Zero a Rifle Scope at 100 Yards for the Best Accuracy This can be useful in comparing cartridges or loads. Re: .308 - where do you like to zero at and why? to calculate 308 ballistics. Center mass at 250 and horizontal reticle level with back at 300. Our next 308 Win ballistic chart shows 130 grain Varmint & Predator rounds.