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I've been using the .270 for many years, it's my favorite caliber. For normal unting, I sight my rifles 1" high at 100 yards, using 150 grain bullets. This give me the same point of aim from 75 yards out to 300 yards. That way you don't have to figure in hold over or hold under. I place the cross hair on the top of the heart, which is located just behind the shoulder, just above the deers "elbow" joint and it is a kill shot at those distances.

shoot safe

I always sighted in my 270 and 50 yds and I was only about an inch low at 200 yds. I would make a suggestion though. If compensating for rise and drop, go with a 130 grain bullet, the increased velocity will make it much flatter shooting. But if going with a 130 grain I'd go with a better constructed bullet than a core lokt. A lot of manufacturers are offering Nosler ballistic tip loadings (Winchester Ballistic Silvertip, Federal Premium). I don't know what kind of deer though, I'm basing this off white tail deer. And theres no substitute for testing at different ranges.

I zero dead on at 25yards with my '06. With a 150gr bullet that puts me a couple inches high at a 100, back on at about 225 a few inches low at 300. I generally won't shoot at an animal past 300yards unless everything is perfect. Good rest, no wind, good angle, etc.. With this zero I can use a center hold without worrying about range all that much and still take the head off a grouse that pops up in the trail on the way home. Your .270 shoots a bit flatter than the '06 but results should be simular. The only way to tell for sure is to zero your rifle at 25 yards (which is a heck of a lot eaiser for me to fine tune than at a 100) and check the other yardages on paper. Works for me.

there have been custom ARs made that take a 30-06 length cartridge, yet no production weapons. The custom that I observed had a changed bolt provider with an extension welded on. The receiver replaced right into a modular unit with the magazine nicely bolted on earlier than the set off team. An AR10 in .260 or 7mm-08 could be on the element of the overall performance of a .270. The 6.5 Grendel works in an AR15. Remington basically got here out with the 30AR cartridge for the AR15. Olympic palms makes rifles and uppers for AR15s in 243 WSSM and .25 WSSM.

If you zero to 250 yards, I predict that you'll find there is no shorter range at which bullet impact is so far above the line of sight that it'll make a difference in relationship to the deer's vital area. It's only a guesstimate, but you should be close to MPBR, not a bad choice for where you zero.

dca and steven are right. Sight the rifle in right on at 25 to 50 yds. This will leave you a couple inches high at 100 yds. Spot on at 200 yds. a little low at 300 yds. This allows you to hit your target at multiple ranges for multiple situations.

Just sight it in to Impact 2 inches high on a Target at 100 yards, then it will be set to impact correctly on a Target, or Big Game Animal at 250 to 300 yards within one-half of an inch.*...

personally i wouldn't zero it at your maximum range although i see where you are coming from its a tempting thing to do , if i was you i would zero it at 150 and also you should be careful firing uphill/downhill on mountainous terrain as this majorly affects bullet drop! just something to think about :)

What's the average distance you think you'll most game will be harvested at? Sight it in at that yardage.