Dime, nickel and quarter.
Dime, nickel and quarter.
Ever since I actually cared about how big my grouping was I was told the following method. Using a flat ruler of some sort, measure from the center of the two farthest apart holes. Been doing it this way almost 60 odd years. I`m sure that a nice buck you just took really cared if your target group size was measured one way or another.Robert
What do people consider a decent 100 yard group ?
I'm no expert but I'd be really happy with a 1 in. 3 shot group with out shooting from a bench. With my MZ.
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Last edited by PtMD989; 03-28-2017 at 06:08 PM.
The depends on the firearm, bullets and use.
With an original Trapdoor Springfield I am happy with 3 inch five shoot group. Same rifle rebarreled I expect about half that. That is using cast.
With my long range target rifles using jackets anything over 1/2" for ten shoot group concerns me.
With my BPCR and cast with black 1 1/2" five shot groups makes me happy.
For my centerfire varmint rifles I want 5/8 and under. I do have a Krieger Barreled AR that started life as a 3/8 MOA rifle. It has shot a bunch of 1/4" groups but not on demand. It has around 10,000 rounds through it. The throat is in tough shape but it is still holding 7/8" to 1" MOA. With that high of round count I am still happy with the groups. As soon as I am not I will chamber and install a new one.
Kind of late here, but I use two different methods to measure groups. The first is the common measure the furthest two holes and subtract bullet diameter. The second is to measure the width of the group and the height of the group, I tend to think that gives more information.
As an example, you have a ten shot group that is 3½", not very good right? But what if it is 3/4" high and 3½" wide? Sounds more like a wind doping problem than a rifle problem all of a sudden, doesn't it?
Robert
I scan my targets, use the free version of OnTarget, save to a thumb drive. I add the calculated group size to my load spreadsheet with notes. Separate sheet for each gun. Someday when I get bored I'll link the load to the target pic.
Whatever!
Depends on the gun and the person's point of view. For me, under 2 inches at 100 is good. Under an inch is awesome. I also think 3 shot groups are a bit of a joke. They tell lies. Lots of guns can shoot well for 3 to 5 shots. Can that rifle do that well under the pressure of hard use?
I shoot minimum 10 shot groups. Depending on the rifle, I may shoot 20. I group my AR's with a 20 round magazine.
Everyone has their opinions and they are just that, opinions, but for ME, a rifle that will put 20 rounds[fired in less than 10 minutes] inside 2 inches at a hundred beats a rifle that shoots a little clover leaf three hole group but needs time to cool before doing it again.
When dealing with islam one should always ask themselves: "What would Leonidas do?"
I have a 308 Savage 99 that start to walk badly by the third round. I could care less. This is a deer hunting rifle only. Never fired more than one round at a deer with this rifle. On this would I am only interest in were the first shoot goes. Second shot most likely would be a running target. Hard use for this rifle would a second shot.
Since I am only measuring to compare loads to find something to either plink or hunt, I have a simple method use a tape to measure to the farthest outside edge and look at the group shape. Is it me or are the best groups either triangular or round in shape.
Much shortened to the final point of his story, but years ago Jack O' Connor said what counted with a hunting rifle was 5 one shot groups.
Because when one is hunting the accurate placement of the first shot is what really counts.
Last edited by TCLouis; 03-30-2017 at 10:39 PM.
Amendments
The Second there to protect the First!
Wait, you all have more than one hole to measure? My group size is usually whatever caliber I'm shooting at the time.
(Either that or I only hit the target once...)
Do the best you can, with what you've got, where you're at. -Theodore Roosevelt
BP | Bronze Point | IMR | Improved Military Rifle | PTD | Pointed |
BR | Bench Rest | M | Magnum | RN | Round Nose |
BT | Boat Tail | PL | Power-Lokt | SP | Soft Point |
C | Compressed Charge | PR | Primer | SPCL | Soft Point "Core-Lokt" |
HP | Hollow Point | PSPCL | Pointed Soft Point "Core Lokt" | C.O.L. | Cartridge Overall Length |
PSP | Pointed Soft Point | Spz | Spitzer Point | SBT | Spitzer Boat Tail |
LRN | Lead Round Nose | LWC | Lead Wad Cutter | LSWC | Lead Semi Wad Cutter |
GC | Gas Check |