Sighting in at the elevations I suggested would put you in a 6 inch kill zone out to about 285 yards. Different story. This gives me a lot more confidence in engaging targets up to 200 yards without making elevation adjustments. Or is Primary zero the the bullet touching the line of sight as confirmed on a target, regardless of first or second time crossing the line of sight? My .243" using 100 grn pro hunter at max velocity is just a shade over 3" low at 200 yds from 100 yds zero. 243 Ballistics - Velocity, Energy & Drop Data - The Lodge at AmmoToGo.com How to Sight in a Scope - Step by Step Guide. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Mastodon (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Telegram (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to share on Skype (Opens in new window), Click to email a link to a friend (Opens in new window), which is outdated after looking at more zero distances and the maximum point blank range concept covered in this other post, Different Zeros For Different Heros - Uncle Zo, https://unclezo.com/2020/11/26/different-zeros-for-different-heros/. .243 drop at 300 yards Hunting in Louisiana - Louisiana Sportsman then yes, it probably makes sense for you to use a more established cartridge like the .243 Winchester, 6.5 Creedmoor, .270 Winchester, 7mm Rem Mag, .30-06, and .300 Win Mag instead. Gravity is relentless. I use 95gr and zero at 200 yds. Now you know what your come ups need to be. Dont worry, Uncle Zo only writes about, and promotes, products or services that hes personally purchased, used, and believes in. think i am talking pants? Starting at 2700 and 2600 fps respectively, their velocities maintain about 100-200 fps difference all the way out to 1000 yards. These corrections will include altitude, barometric pressure, temperature etc. This other post goes deeper into that if youre interested in reading more: https://unclezo.com/2020/11/26/different-zeros-for-different-heros/. 243 Winchester ~ 90 Grain ~ Trajectory Chart - Sierra Bullets The Ballistic Coefficient for the .243 Winchester 95gr is 0.40 (in this example). So, pretty universally, shooting 100 grain ammunition and using it to hunt for deer, the best zero for .243 Winchester rifle would be 25 yards. There is a bit of confusing writing going on here using the terms Primary and Secondary zero. One must take barrel twist into account depending on the type of 243 Win cartridge that is fired. A heavier bullet delivers greater energy upon impact at the expense of faster bullet drop which is nothing skilled marksmanship can not accommodate. TNGunOwners.com (TGO) is a presentation of Enthusiast Productions. I setup all my rifles to shoot 1.5" high at 100 yards, So, the simple answer is that with a 50 yard zero you will be good out to about 230 yards. TNGunOwners.com I have been checking various ammuntion, store brands and handloads, in my SteyrMannlicher carbine and a friend's Merkel K1 Stutzen, both with 20-inch barrels.
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