Quickly thereafter, the cartridge won fans worldwide. Lastly, look at the 300-yard targets. One can argue that more whitetails are engaged within the 50- to 150-yard distances and the 150- to 230-yard ranges. In order to hit a distant target a rifle must be correctly sighted-in, and to accomplish that the shooter must have some working knowledge of the bullet's trajectory. This site uses Akismet to reduce spam. 1" low is only possible if he has a very canted mount set up, though i doubt it still (but like most he has probebly never shot that sort of range much and it all is in his imagination). At 500 yards, the .243 maintains 812 ft-lbs of energy, which is a full 239 ft-lbs over the .308's performance of 573 ft-lbs at the same distance. If you choose to employ this 26-yard technique, beware that when zeroing at close range, you must strive for perfection. 243 Win. How to Sight in a Scope - Step by Step Guide. After reading the post that was running on grouping and seeing the various arguements on 200yd zero it made me wonder what grain bullets others are shooting to zero at this range.My Remmy 700 has 9 1/8 twist and groups real well with 100gr bullets, I zero at 100yds as I need my gun to be very accurate ( head shots) around this range, further out would only be heart/lung shots, also I can estimate 100yds much better than 200yds. There is no best sight-in range for everyone, because the range at which hunters expect to shoot their quarry differs considerably. There is a chance my use of this terminology is not the accepted use by most folks. 243 Winchester ~ 90 Grain ~ Trajectory Chart. I should chrono these rounds mate they might not even be deer legal, Hey guys the thing is drop don't mean a whole heap when you consider that a full value 10mph gust is going to move .243" bullets near enough 5" sideways, so even a mere 5mph gust is gonna move you near as makes no matter as your 200 drop and a more usual highland breeze of 15-20mph is going to push that pill sideways 7- 10" . However, I firmly believe it should be referred to as a 200 yard zero (and actually zeroed at that distance) that provides a usable, but approximate, secondary zero at 50 yards. Zero magnification. This graph illustrates that with a 100-yard zero, your bullet is on at 100 yards, then starts falling rapidly, and is 3 inches below the point-of-hold at approximately 200 yards. Why cant they just be given this electonic data and work with it as a base? The proof was in the puddin as they say. think i am talking pants? Ever heard a broken clock is right twice a day? The latest way appears to be an app called CamoSpace, designed specifically for members of the hunting community. So i guess if i was to put them an inch high at 100 yds, then i would be a tad under 2 inches at 225, so basically within a normal kill zone when point and shoot. Gun will be about 6 inches low at 200. Open now : 09:00 AM - 12:00 AM. A Twist Rate's Impact on Ballistics Measure your drop. Initial POA/POI is at 36 yards, but now, the difference is .5 inches at the 50. Once his daughters were able to go hunting, he relearned why he love hunting so much. He is not a professional hunter, survivalist, self defense instructor, firearms instructor, or competitor. It says that at around the halfway point of 250 yards the bullet will have slowed 580fps to a velocity of 2520fps, lost 688 ft pounds of energy (now pushing just 1339 lbs), and dropped due to gravitational forces just 5.9833 inches, and all of this in just a fraction of a second (.269 of a second). Buying a common caliber, like the 243, is a good idea. Winchester Ballistics Calculator. As an example, lets use a very common hunting round, a .270 Win., loaded by Remington with a 130-grain Premier Accutip boattail bullet that has a .447 Ballistic Coefficient (BC). Other factors that influence bullet trajectory: Look up any ballistics calculator and youll find of host of settings and entries you must fill out to get the most accurate bullet trajectory reading/information for a given bullet/cartridge. Find out which caliber you should buy first. I have found the charted 3.3" drop to be about right. You must log in or register to reply here. As we get out to the 500-yard mark, the two lightweight .243 rounds have bled off a tremendous amount of velocity and are now lower than three of the 6.5 CM rounds. Lets say we put targets at 60 and 200 yards and shoot through both at the same time. Zeroed at 200 yards, the bullet drops less than 7 inches at 300 yards and still has nearly 1,400. The opinions expressed on TGO are those of their authors and do not necessarily reflect those of the site's owners or staff. hb```". ea$z%3lp!"=4t;N04nR``XLk(+tdg8$u!#m;?4T D!A(c.NV'5,YYaLc bW)O$,X!Z iF btzS&BU1 | In all seriousness, zero your rifle at 100 yards, get a man size cardboard target and set it up at 200 yards and 300 yards. if you want to put some money on the table mate,I may be at Bisley on the 15th if I can get someone to look after my pups,were shooting 100 300 and 600, it wasn't me who claimed such, its quite possible to post results here though so please do the above - but i supose its not a real comp just a few mates hey, Pigeon Watch Ltd. Maybe just for the initial adjustments to get on paper but after that it's good to shoot at 100 yards out to whatever distance you plan on hunting at. In short, you would do well to use one rifle for varmint hunting and another for deer. Dont worry, Uncle Zo only writes about, and promotes, products or services that hes personally purchased, used, and believes in. The Basic start used by British snipers is to gather what is termed "real world" data 100 mtrs to 1500 mtrs then the same 100-1500 in yardage in thier log book for thier individual rifle and record it. And precious few of us have access to a 26 yard range. For example, if you hunt exclusively from a ridge top that overlooks a food source that is 150 yards away, you should zero for that distance. For this discussion, Ive used the 100 grain, .243 cartridge and baseline entries of: Amazon and Affiliate Disclosure:As an Amazon Associate I earn from qualifying purchases. That said, lets take a look at a couple of other popular zero distances for the .243. Plenty good enough for boiler room shots but if I was to contemplate head shots at 100 yds I would reset the scope to be spot on at that distance. Before engaging in any transaction of goods or services on TGO, all parties involved must know and follow the local, state and Federal laws regarding those transactions. Select Your Gun Type. I didnt notice the ambiguous terminology until you pointed it out. . And I only say that, because Ive seen enough deer dropped hard at between 300 and 400 yards that the theoretical limits are not matching up to their practical application. 1/4 inch left or right at 50 yards will give you 1 min of angle on a 100 yard target (= 1 " off) and be 2' off on the 200 yard target. Hi folks. Considered the entry level deer hunting cartridge in Great Britain, where the Deer Act of 1963 necessitates a caliber of no less than .240 and muzzle energy of no less than 1,700 ft lbs. Ho,hum sort of blows your previous views apart about group 2" group sizes for deer though don't it as that way is amounting to 4" I think what your forgetting in the above though is the bullet that is set 1" high at 100 will drop about 3" through its trajectory but that still leaves it 2" low @ 200 (3" drop at 200yds is about were your balistic program will put a 100 grn bullet from a 100yds zero). Your bullet is going to drop an additional 4.3 inches below the 200-yard impact point traveling across that additional 50 yards. start with bore sighting it. Input your hunting conditions to see the drop, drift, bullet trajectory, velocity, and energy in easy-to-read ballistics charts and graphs. Lets take a look at what this popular deer and hog hunting round is capable of through an analysis of 243 ballistics. Beyond that 300 (296) yard distance, the trajectory of the little 100 grain, .243 bullet starts to drop more rapidly and its kinetic energy falls below 1,000 ft. lbs. Different story. %PDF-1.5 % Competitive gunslinger. Ive written a more in-depth description on how to sight in a rifle in another article. 300 AAC Blackout is a fantastic hunting round. Targets under 50 yards would get a slightly low impact. JavaScript is disabled. I cant think of a single reason not to zero at 100yds (or close to it). Are You Mentally Prepared To Defend Yourself? giving you a 4 inch kill zone. When bullets drop 4 inches below POA, you've reached your MPBR. Context matters. Make whatever adjustments are needed and begin again. Like i say though there are more reason why, but ballistic programs do not hold all the answers and to repeate myself aint "gospel" so your kind offer of help is unlikely to help someone who won't do it "the old fashioned way", sorry to disapoint you,I didnt say I group 2 inch at 200 yards I do that at 500 yards with my 243,enter the real time correct data into a good ballistic programme your either bang on the money or a little fudging of the bullet BC to compensate, the old fashioned way is alwasy best to final test your data, no ballistic programmes dont hold all the answers you have to feild test as well,put **** in and get **** out, sorry to disapoint you I didnt say I group 2 inch at 200 yards I do that at 500 yards with my 243,enter the real time correct data into a good ballistic programme your either bang on the money or a little fudging of the bullet BC to compensate, the old fashioned way is alwasy best to final test your data, ah, is this why the MOD do it wrong because you say so and so does you computer. You do not need anything bigger unless you plan on getting very, very serious about it. . Thanks for the feedback. back out to 100, adjust to either dead on or 1 inch high at 100. Ballistic Charts & Data June 30, 2021 March 15, 2023. Not generally used for self-defense. At 55 grains, its bullet achieves 3,910 fps; at 100 grains, 2,960 fps. Dec 1, 2016. Whats the best zero for .243? At 300 yards, this lowers to 1,859 ft-lbs. I have not shot the .17 HMR at long range. The big difference is the 243 slug will be carrying 247 f.p. Don't forget to get an accurate measurement of the height of the scope above the centerline of the bore. Winchester Ballistic Silvertip, 95gr. I've been a hunting junkie for my entire life. My uncle, love him as I do, used a 10 inch white pie plate to sight in his 7mm. The table below will show the drop experience by a couple of different 5.56 NATO loads in 50 yard increments out to 300 yards. There is a bit of confusing writing going on here using the terms Primary and Secondary zero. At 400 yards a 75-grain V-Max launched at 3,300 fps and zeroed at 200 yards drops just an inch more than a 55-grain V-Max from a 22-250 Rem. Bottom line is 50/200 yard zeros are very usable for many applications. Send more rounds. Edit - the 6 inch low is what I experience with my BLR 243. Pug wrangler. W hbbd```b``6@$6>}LH m d`% n`t69,"$T@5o*I&3] mU The only way to learn all this is get out and shoot in those conditions, theorising and guesswork is all well and good but tends to make you look a fool out in the field, hey before anyone talks balistic programs these are off the top of my head SWAG calcs based on unknown bullet etc. The Ballistic Coefficient for the .243 Winchester 95gr is 0.40 (in this example). That would put you on this table for the Remington Core-Lok: Range Drop Drop Windage Windage Velocity Mach Energy Time Lead Lead, (yds) (in) (moa) (in) (moa) (ft/s) (none) (ftlbs) (s) (in) (moa), 0 -1.5 *** 0.0 *** 2968.8 2.659 1956.7 0.000 0.0 ***, 25 -0.1 -0.3 0.0 0.2 2903.4 2.601 1871.5 0.026 4.5 17.2, 50 1.1 2.1 0.2 0.4 2839.1 2.543 1789.5 0.052 9.1 17.4, 75 2.0 2.6 0.5 0.6 2775.7 2.486 1710.4 0.078 13.8 17.6, 100 2.6 2.5 0.8 0.8 2713.2 2.430 1634.3 0.106 18.6 17.8, 125 2.9 2.3 1.3 1.0 2651.5 2.375 1560.9 0.134 23.5 18.0, 150 3.0 1.9 1.9 1.2 2590.8 2.320 1490.1 0.162 28.6 18.2, 175 2.7 1.5 2.6 1.4 2530.8 2.267 1421.9 0.192 33.7 18.4, 200 2.0 1.0 3.4 1.6 2471.6 2.214 1356.2 0.222 39.0 18.6, 225 1.0 0.4 4.4 1.9 2413.3 2.162 1292.9 0.252 44.4 18.8, 250 -0.4 -0.1 5.5 2.1 2355.7 2.110 1232.0 0.284 49.9 19.1, 275 -2.1 -0.7 6.7 2.3 2298.9 2.059 1173.2 0.316 55.6 19.3, 300 -4.3 -1.4 8.1 2.6 2242.8 2.009 1116.7 0.349 61.4 19.6, 325 -6.9 -2.0 9.6 2.8 2187.5 1.959 1062.3 0.383 67.4 19.8, 350 -10.0 -2.7 11.2 3.1 2132.9 1.910 1010.0 0.418 73.5 20.1, 375 -13.5 -3.4 13.1 3.3 2079.1 1.862 959.7 0.453 79.8 20.3, 400 -17.6 -4.2 15.1 3.6 2026.1 1.815 911.4 0.490 86.2 20.6, 425 -22.1 -5.0 17.2 3.9 1974.0 1.768 865.1 0.527 92.8 20.8, 450 -27.3 -5.8 19.5 4.1 1922.6 1.722 820.6 0.566 99.6 21.1, 475 -33.0 -6.6 22.0 4.4 1872.1 1.677 778.1 0.605 106.5 21.4, 500 -39.3 -7.5 24.7 4.7 1822.5 1.632 737.4 0.646 113.7 21.7. Sighting in at the elevations I suggested would put you in a 6 inch kill zone out to about 285 yards. 100 gr. i zero for 200 yards and with my homeload load of 85 grain sierra gamekings its 1.2" high at 100 and 4" low at 270 yardsi never shoot deer over 200 but when shooting alot of foxes with 243 ive found thats the zero that works for me and has done for years any further like crows and targets then i dial in using a data card and JBM ballistic software. Uncle Zo publishes his own opinions for informational and entertainment purposes only.

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