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  1. Sterling Shooter

    MOA reticle range estimation question

    You could bracket between the short and long possibilities; but, unless you have a FFP reticle with fractional MOA scale you may not be able to range distance exactly.
  2. Sterling Shooter

    Advanced Marksmanship "Reading" wind

    It could be that the wind at greater distance is indeed blowing in another direction. At any rate, focusing the spotting scope on the target and then turning the focus knob a 1/4 turn counter clockwise will focus on the mirage at mid range and provide an average of wind velocity and direction...
  3. Sterling Shooter

    Barrel or Stock??

    You have a rifle which is less than ideal for LR, that's to say, strings of fire at LR will not be satisfactory for a multitude of reasons having to do with both stock and barrel. It will be less expensive for you to just trade your rifle for an appropriate one. An appropriate one is a rifle...
  4. Sterling Shooter

    AR15 keyholing

    All, Even though we know little about the barrel, we do know it shoots factory ammo; and, we know it does not shoot the OP's hand load. This leads us to suspect a defective hand load and/or a defective bullet does it not? If the barrel was indeed defective would it not likely distort both...
  5. Sterling Shooter

    F T/R Competition Zero Rang?

    OP, A zero is where line of sight and bullet path intersect and their resulting value is zero. Therefore, to hit a target point at any given distance the sight will need to be adjusted to create a bullet trajectory where line of sight and bullet path will intersect at such distance. If you...
  6. Sterling Shooter

    AR15 keyholing

    Folks, I like a good mystery, but this is not a mystery at all. Logic indicates hand loaded cartridges and/or bullets are not concentric. Bullets may have excessive run out. Any of this would cause the bullet to fly erratically upon clearing the bore as the bullet transitions from the bore...
  7. Sterling Shooter

    R15 vs Varget

    I have had the best results with RE-15 in both my 308 bolt gun and my 223 AR. I once used Varget for both but when I tried out RE-15 I sensed that results were better and SD and ES was lower too. That was important since holding elevation at LR is paramount to producing good scores when wind is...
  8. Sterling Shooter

    St. Mark's Powder

    What gun powder brands/formulas for centerfire rifle from this manufacturer are sold to hand loaders?
  9. Sterling Shooter

    AR15 keyholing

    With the expanded info given by the OP, stating he bought "overrun", I'd add defective bullets to what I suspect. Buying another lot off the shelf somewhere might prove it out.
  10. Sterling Shooter

    AR15 keyholing

    I suspect this is a hand loading issue, either bullets seated with too little neck tension to stay or be made concentric/on axis with cartridge case, and/or not seated deeply enough to assure bullet is concentric/on axis with case neck. With either condition severe bullet distortion will...
  11. Sterling Shooter

    Natural Point of aim question

    20 count, what the hell is that? That may be how an unqualified coach has advised but such nonsense is at best a distraction. Using that sort of aid to development will eventually thwart possible wind strategies and other things important in timed and rapid fire events. Also, reading your last...
  12. Sterling Shooter

    Natural Point of aim question

    It appears you are making NPA too hard. First, shoulder the rifle and just let it point to where ever it naturally points. Then, adjust by moving the whole body at the belt buckle. For example, to move sight to the left move the belt buckle right. After adjustment, to have the sense of the...
  13. Sterling Shooter

    Advanced Marksmanship 175 Gr. Federal Gold Medal Match @ 750 yds

    The 175 GMM is all about getting rounds to 1000 with an M14 in most conditions. Not reading a 5 MPH wind at 1000 will produce about 50 inches of error, while the same wind at 600 would only produce about 18 inches of error. Without pit service and a Data Book a shooter is not going to learn...
  14. Sterling Shooter

    Expected accuracy from AR

    I think I understand what you are saying, good results with a bolt gun might be possible without the accommodations required for the same sort of results using a gas gun. In other words, technique imperfection may not be as forgiving with a gas gun. In my case, I actually fit my AR better than...
  15. Sterling Shooter

    Another AR-15 trigger question

    What you are looking for is smooth trigger control; and, since a stock trigger will permit smooth the other priority for most would be a fast lock time. With that being a very useful benefit to those of us that cannot muster follow through, the GA trigger comes to mind.
  16. Sterling Shooter

    Do I NEED a new trigger

    Yes, you should try shooting from the right shoulder. You will have less eye strain. It will only take a few minutes to gain muscle memory for the new position.
  17. Sterling Shooter

    Do I NEED a new trigger

    OP, Your groups indicate error. That's to say, there is measureable distance between point of aim and point of impact. Since you could have a multitude of problems it may not be possible to discern all causes of error. Certainly, jerking the trigger could be a cause of error; but, there are...
  18. Sterling Shooter

    Expected accuracy from AR

    Can you give details describing "much different than shooting a bolt gun to obtain the accuracy that is desired"? I shoot both action types and I do not perceive there is anything I address differently building the position. Seems to me the elements and factors of a steady position are universal...
  19. Sterling Shooter

    Will different types of bullets need adjustment left or right?

    Attempting to understand why a particular bullet profile would shoot differently than another particular bullet profile will not bring about any revelations other than knowing anything different will produce a different result. Also, it's knowing when things are the same which is more important...
  20. Sterling Shooter

    300 yards shooting is all over the place.

    OP, Having read your last posts I am impressed with your "just do it" attitude. You might however want to use a target which allows for better recognition of a consistent hold. Also, get a Data Book. This is essential to meaningful analysis. My only other comment is call your shots. That shot...
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