After shooting, there should be a bullet hole (bullet impact) on your target paper. If you try to zero at 1,000 yards and then shoot at 100 or 200 yards, your bullet would be totally off target. The heavier dashed line (0.0) is the "line of sight" through the scope. Keep in mind this is an approximation and although it is quite accurate it should never replace first-hand experience of shooting your specific firearm and ammunition to determine the bullet drop and windage at different ranges and conditions. Its not often used, but its an excellent technique to zero a scope without firing a shot. .308 win and 7.62x51 trajectory w/ 50 yard sightin - The Firing Line 308 Ballistics Chart & Coefficient - GunData.org Elk, Pronghorn, Nigai, Carribou. 1/4 MOA scope would be about 10 clicks up since 4 clicks at 100 yards is 1 inch). Second, a laser bore sight can be used. Every caliber is different. BOATTAIL HOLLOWPOINT Zero in your rifle at 100 to 1000 yards based on 100 Yard Increments. I was merely pointing out that is not possible. 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. Posts: 886. This is because it is usually within range for most shooters. Once I've got the velocity determined I work on setting the desired zero. NN&3;'(8U2gU##;\PY`p-+`r;N&OB,-|g3+Qj1'lI\Z~P{) K hK0Vv`A]4zp^;!0T ;FHr#|NbdwaR NN Thank you. Ballistic Trajectory Calculator Use this ballistic calculator in order to calculate the flight path of a bullet given the shooting parameters that meet your conditions. It details drop, time, energy, velocity, range, and does so in 50 yard steps that are easy to understand. The two most important variables are the Initial Velocity and the Ballistic Coefficient. We simply need to apportion those 74.61 inches of drop at 725, 750 and 775 yards. JavaScript is disabled. Therefore, with a 26-yard zero, you can hold on the target and expect to hit a 6-inch vital zone from 0 . As a general guideline a group 1 to 1 /12 inches high at 100 will zero close to 200 yards. This website might help answer your question: I buy my wife guns for her birthday. Not sure what to do with 270 with cds lealpold caps, but it's set up the same way for now. Simply connect it to the end of the gun and set its crosshair by looking through the scope. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Interactive Ballistics Data - Graphs, Tables, and More This procedure is simple and quick. i own a few ar15's and they are using a 50/300 battle sight zero which works out very well for the platform. The graph shows that your .270 Win. AR15 [zero] 0 Degree (ONLY) Vertical Grips - POST your PHOTO - Help Community Choose! Regardless, that perceived need set into motion the research that would eventually produce the 7.6251 in 1954. .308 - where do you like to zero at and why? - Sniper's Hide Forum ShootersCalculator.com is in the process of being massively overhauled. This does not mean that your scope should always be zeroed at 100 yards. TexasBowhunter.com Community Discussion Forums. However, for some reason, most shooters have chosen a distance of 100 yards as their standard range for zeroing. I used to do the 1.5-2" high method but the first time I gave a coyote a hair cut at 100 yards trying to shoot him the face was when I quit doing that. Follow these steps to set up your scope at 100 yards. Zeroing Distances for 7.62 NATO/.308 - AR15.COM I shoot a 168g .308, zero'd @ 100y, and at 50y my drop adjustment is 1.0 MOA or 0.3 MIL.or in other words, 100y zero will impact half an inch low at 50y. I have a new .308 bolt action rifle arriving tomorrow. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. People see that arc and it supports their beliefs. Demand for a less powerful cartridge arose after WWI. 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. Using my rule-of-thumb, the 25% drop is -177.5 inches at 725 yards, very close to the actual drop of . That's the quit and dirty, however nothing beats getting a zero for each yard like you expect to shoot. It is possible to get pretty close to a 200 yard zero while using a rifle zeroing target at 50 yards. You are one of the most knowledgeable people on this site. It reduces the possibility of human mistakes and should be used while setting up your zero. Check if the scope is properly mounted on the rifle. i will be using mostly from 50 -400 yards, occasionally longer but not much. 458 Socom ? Whitetail sized deer are best taken with a 150gr bullet from Sierra/Swift/Hornady. Bass, Trout, and Reds. using Hornady 168gr A-MAX Superformance Match factory ammo. Your bullet is going to drop an additional 4.3 inches below the 200-yard impact point traveling across that additional 50 yards. Make certain that you will fire at or near the range at which you have zeroed. fB c \QJx|{iw!x+8 A/OI@?K@ a >#EM\T@m`sF0a A= 8-!@p}F}xE; &,a 6Pgc,1sB{(& When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. Zeroing in a 308 | GON Forum Ballistics chart generated in Shoot! Although typically loaded to higher pressures than the 7.6251. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. 90,LAV-);8p n&6VJF +x.,A(TtCz '+ =mkh4! Hunt In: Tom Green Co., Coke Co., Oldham Co., and any other place I get a chance to. It is important to realize that with a .308 rifle, 200-300 yards is a good shooting distance. Your information will never be shared and you can unsubscribe with one click at anytime. Jack O'Connor's Formula For Shooting Game At Long Range Bore sighting lets you anticipate where the bullets will strike based on the angle and direction the gun barrel points to. If youre using a gun vice, be sure the rifle doesnt move while youre shooting. With the Ruger American Rifle in .22 Magnum, several shots in an inch at 25 yards is easy. 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. A boresight can be used to zero a scope without firing. I am planning to go back and really sight it in @ 100 yards. A scope zero that works .5 to 1.5 inches below the target at 25 yards should be accurate at 100 yards. Bore sighting is done when you look through the bore after removing the bolt from the receiver. Typically, a lower correction of .5 1.5 is required. I zero my 308 for 2.5" high at 100 with a 168gr. If zeroed at 100 yards, where would you hit at 50 yards? That would absolutely be true if you were in a pure vacuum. There is nothing wrong with what you said. For the .308 Winchester, 168-gr. 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. so what .308 zero gives you the most versatility? You will be less than 2"s low at the muzzle, 3"s low at 200 and 9 inches low at 300. Bullets drop at different rates depending on their length, velocity, weight, and projectile type. That's all the input I've got and I hope it helps the original poster. The 308 Wins .308 bullet has an innately high ballistic coefficient but its power is often inadequate to stay on course very far downrange. I use a 223 or 22lr for the 25 yd to 175 yd shots.
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