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Started By
Message
re: Sighting in Rifle Question(s)
Posted on 10/12/24 at 9:46 am to saintsfan1977
Posted on 10/12/24 at 9:46 am to saintsfan1977
quote:
It should be plenty good enough to hunt with. Even a 3in group at 100 yds is good enough to hunt with up to 200 yds.
This is why we hear of people crippling and losing deer with a rifle.
1
Posted on 10/12/24 at 9:49 am to Bigfishchoupique
quote:
This is why we hear of people crippling and losing deer with a rifle.
No. They cripple deer because they using the wrong bullet and/or shot placement. A 3inch group at 100 yds is easily capable of killing a deer. Nobody misses because of 3 inches when the vitals are at least 6 to 10 inches.
The biggest factor in shooting is the person behind the trigger.
This post was edited on 10/12/24 at 9:50 am
Posted on 10/12/24 at 10:37 am to Canon951
For standard whitetail deer situations with a 308, use the maximum point blank range for a whitetail size target (I use +/- 3.5 inches).
I zero my 308 with 178 grain Hornady Precision Hunter rounds at 240 yards: That way from 0 yards out to 280'ish yards it's a "point and shoot" situation because the bullet doesn't deviate +/- 3½ inches from its trajectory, and even out to 300 yards it's only a 5½ inch drop. In the heat of the moment in a standard setting in the southeast, you don't have time to dope your optics and figure out how high or low to shoot the animal. You need to be able to point and shoot and worry about making a clean shot instead of worrying about holdover/under.
My rifle shoots the 178 grain Hornady Precison Hunter rounds amazingly well, and they always kill the deer dead in their tracks every single time. Ever since I moved over to that round my rifle shoots moa and sub moa on the bench.
I zero my 308 with 178 grain Hornady Precision Hunter rounds at 240 yards: That way from 0 yards out to 280'ish yards it's a "point and shoot" situation because the bullet doesn't deviate +/- 3½ inches from its trajectory, and even out to 300 yards it's only a 5½ inch drop. In the heat of the moment in a standard setting in the southeast, you don't have time to dope your optics and figure out how high or low to shoot the animal. You need to be able to point and shoot and worry about making a clean shot instead of worrying about holdover/under.
My rifle shoots the 178 grain Hornady Precison Hunter rounds amazingly well, and they always kill the deer dead in their tracks every single time. Ever since I moved over to that round my rifle shoots moa and sub moa on the bench.
Posted on 10/12/24 at 10:43 am to mudshuvl05
quote:
I zero my 308 with 178 grain Hornady Precision Hunter rounds at 240 yards:
My line of thinking was the 50/200 yard zero you do for AR rifles. I was thinking of something along those lines for my 308 deer rifle. Also, at 50 yards I think there would be less room for error while sighting in. Was curious if others had tried that and how it worked for them.
Posted on 10/12/24 at 11:23 am to Canon951
quote:Oh no doubt, I always check my grouping and make adjustments at 50 yards then fine tune out past that to check and make sure ballistics on paper match up with real world performance.
Also, at 50 yards I think there would be less room for error
As far as a 50/200 yard zero, I don't really know what advantage that'd have over a maximum point blank range with a zero of 240-250 yards in a real world setting with a bolt action rifle where you know for certain you'll be shooting a live animal, but I'm also not familiar with the concept.
At the end of the day, from 0 yards out to 280 yards I don't have to concern myself with anything other than making a good shot, because I know for certain my bullet will not deviate +/- 3½ inches from the point of aim. That's going to hit vitals every single time, whether it be deer or human. If you were hunting coyotes you'd want to shrink your MPBR to, say, +/- 2," and some people use +/- 4" on a whitetail, and on a squirrel you'd set your MPBR for no more than +/- 1," but the concept is the same for every caliber: You want to maximize your "point and shoot" range for the caliber in question based on the size of the vitals of the target.
Posted on 10/12/24 at 1:28 pm to Canon951
Same for me Canon951. .308 Corelokt. First 2 shots with a minute of each other and group is great. 3rd shot in the next minute and I get a 4 “ flyer.
This is the way!
This is the way!
Posted on 10/12/24 at 1:57 pm to saintsfan1977
quote:
A 3inch group at 100 yds is easily capable of killing a deer.
At that range. Yes.
Wasn’t acceptable to me as I hunted in the marsh. 400 - 600 yards was a common shot for me.
30-06 1 1/2 inches high at 100 yard’s. Hold on their backbone at 400-500 yards and it’s straight to the boiler room. 600 yards and over I would put the top of the bottom post on my scope picture on the backbone. Dead meat. I practiced at long range a lot.
I put a gallon paint can on a willow pole across the soybean field behind my house. It was 486 yards ( measured ) away. My wife would fuss because I would usually shoot a few rounds out of the kitchen window in the morning to knock that can around.
Posted on 10/12/24 at 2:24 pm to Bigfishchoupique
quote:
Wasn’t acceptable to me as I hunted in the marsh. 400 - 600 yards was a common shot for me.
3inch groups are unacceptable to me. 1in or better is what I look for.
Posted on 10/12/24 at 3:02 pm to saintsfan1977
I just haven’t seen all the 1 moa shooters out there. I’ve hunted with a lot of guys with “half minute guns” that hit deer 4” behind the diaphragm at 70 yards. Who is really certain they can grab their old trusty deer rifle and hit a 1” target 5 times at 100 yards? Saints fan is right, if everybody had to hit a 3” target at 100 yards before they could go sit in a box blind the number of deer wounded would crater. We aren’t asking much out of a modern bolt action to hit a whitetail in the vitals under 300 yards.
MOA CHALLENGE
MOA CHALLENGE
Posted on 10/12/24 at 3:53 pm to Canon951
It’s most likely the rifle just doesn’t shoot the ammo well and you’re getting lucky on the first 2 shots. Your lead sled may be causing these issues too. Get behind the rifle, give firm but neutral support on the forend. Your weight should be pushing thru the rifle, toward the target. If you need a sled for 100 yards, how are you hunting out to 250?
This post was edited on 10/12/24 at 3:56 pm
Posted on 10/12/24 at 5:32 pm to Canon951
Sounds like you need to hunt with your accurate.243.
And I would site in for 50.
And I would site in for 50.
Posted on 10/12/24 at 5:37 pm to Canon951
heated barrell
Posted on 10/12/24 at 7:23 pm to oldskule
quote:
heated barrell
No way. Not throwing it 5 inches like he said. It's gun/scope issue, or person pulling the trigger. A hot barrel will not throw a bullet 5inches outside the group even if you shot 30 back to back.
The fact it can group 2 close and throw the 5th might be ammo. I'd change it and see. If it does the same thing, I'd look at the gun /scope.
Posted on 10/12/24 at 7:50 pm to saintsfan1977
quote:
It's gun/scope issue, or person pulling the trigger.
Yep. 5” from multiple types of ammo likely means a problem, not barrel heating. I shoot several kimbers with stupid thin barrels. They have no problem with 3 shot groups at any speed and 5-7 shot groups still give great results if I just wait a couple minutes between shots. Even running them hard in the summer sun they do plenty good enough.
Check the action screws. Check the bases and rings. Make sure the base screws are not touching the barrel. Make sure the sling swivel stud isn’t pushing on the barrel. If you have a sling on the gun take it off. Swap out the scope for one you know shoots fine. Have someone else shoot it who you know can shoot.
Posted on 10/12/24 at 8:06 pm to bigbuckdj
quote:
Who is really certain they can grab their old trusty deer rifle and hit a 1” target 5 times at 100 yards?
My “trusty” deer rifle is one I built off a blue printed Rem 700 action.
It absolutely will shoot less than 1 moa but I’ve also using ammo that I’ve loaded for it.
This post was edited on 10/12/24 at 8:08 pm
Posted on 10/12/24 at 10:17 pm to Canon951
quote:
I'm shooting off of a sled
Throw this shite away and get some bags. Sleds are for ruining rifle stocks and optics, poor form, and kids playing in the snow. Buy some decent bags and watch your groups get smaller. For the record 3 shots shouldn't heat a barrel up enough to affect accuracy even in the pencil barrels. Id wager it's either flinching or effects from being shot in a sled. Put it in bags that way the rifle can recoil like it's designed to do
Posted on 10/13/24 at 12:50 am to lv2bowhntAU
quote:
3 shots shouldn't heat a barrel up enough to affect accuracy even in the pencil barrels.
A properly stress relieved and floated barrel won't open up until the throat has burned out.
Posted on 10/13/24 at 1:52 pm to DownshiftAndFloorIt
quote:
A properly stress relieved and floated barrel won't open up until the throat has burned out.
And even then it'll be gradual. A barrel doesn't just burn out all of a sudden.
Posted on 10/14/24 at 8:32 am to Canon951
Let the barrel cool before each shot. Also,sight in first at 25 Yards, will be close to dead on at 200 yards. Saves a ton of ammo.
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