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  1. Sterling Shooter

    300 yards shooting is all over the place.

    You might want to record shots at 100 yards too. Also, you might want to think about follow through which is continuing to aim with trigger depressed until recoil has subsided. This will allow you to call your shots. Calling the shot, that's to say, knowing where the sight appeared on the...
  2. Sterling Shooter

    300 yards shooting is all over the place.

    Is ammunition the probable cause of error? No, there is no support for probable cause, when error as described is commonly produced by poor marksmanship. This is what has been obvious from the first post. You need to project and speculate to make ammunition a probable cause. The fact that the...
  3. Sterling Shooter

    300 yards shooting is all over the place.

    It's obvious the OP's marksmanship is the probable cause of error. Until we know from the OP what the results were at 100, it is speculation that ammunition is the issue. A shot 16 inches off, does not indicate ammunition quality. It indicates a possible defective round, but, with the...
  4. Sterling Shooter

    300 yards shooting is all over the place.

    So now we have crap ammo, ammo which will not shoot in a 6 inch group from a vice, and ammo from Walmart. I did not read any of that from the OP's post. He just said he was not shooting match grade. Does this mean shooting any other than match grade would suggest probable cause of error is...
  5. Sterling Shooter

    300 yards shooting is all over the place.

    Crap ammo? Is that what the OP was shooting? The OP did not mention what brand or grade of ammunition he was shooting, other than it was not match ammunition, so, perhaps, it is you that is psychic. My comments are in bounds with the use of any common generic ammunition, period. This is...
  6. Sterling Shooter

    300 yards shooting is all over the place.

    Your observation will help you to get good zeros. Remember the definition of zero is where bullet path and line of sight intersect and the resulting value in any form of measurement is zero. When was the last time that happened? The reality is most of us cannot place all bullets in one hole and...
  7. Sterling Shooter

    300 yards shooting is all over the place.

    Here's what we know for sure from the shooter's description of events: the bullet holes on the target indicate where the barrel was pointed and the bullet holes on target indicate shots did not go where aimed. This means inconsistent control of the rifle, and/or inconsistent perspective of aim...
  8. Sterling Shooter

    300 yards shooting is all over the place.

    Angular error from inconsistent perspective of aim, and/or from inconsistent control of rifle will easily produce the error the shooter has realized. This error increases with distance. This is NOT an ammunition issue. It IS a marksmanship issue. You do not need more information for analysis...
  9. Sterling Shooter

    300 yards shooting is all over the place.

    There is every reason to discount non germane facts. It's the process and proceedure for discerning the cause of error quickly. In some shooting scenarios understanding the cause of error quickly allows for better results for work in progress; and, in all shooting scenarios being able to...
  10. Sterling Shooter

    300 yards shooting is all over the place.

    Here's how I know what I know. The shooter produced a group at 100 yards. This suggests the rifle is not broken and the ammunition is not defective. In a no wind condition the shooter did not produce a group at 300 yards. He stated that his shots were all over the place. This is an indication...
  11. Sterling Shooter

    300 yards shooting is all over the place.

    The truth here is that it is guy's like you stating the problem is the ammunition who don't have a clue. And if novices were to take your "expert" advice they'd get no where. Your last sentence pretty well sums up your ignorance on the matter. You do not need match grade equipment or ammunition...
  12. Sterling Shooter

    300 yards shooting is all over the place.

    Ammunition is not the problem. The ammunition is not defective. Distance is not the problem. The bullet got to distance nose-on. The rifle is not the problem. The rifle is not broken. The problem is poor marksmanship, period. Distance revealed this was the problem. Distance unmasked shooter...
  13. Sterling Shooter

    300 yards shooting is all over the place.

    Data Book (as used for HP, LR, or SDM practice session, other applications adjust as appropriate) The Data Book is used to keep a record of shots and the conditions they were fired under. The data book's primary purpose is to confirm zeros and note trends that will increase accuracy and...
  14. Sterling Shooter

    300 yards shooting is all over the place.

    Yes a 2 inch group at 100 would mean a 6 inch group at 300 if conditions were ideal, and the shooter knew how to maximize bone/artificial support to get minimal arc of movement; but, the whole issue here is this shooter does not know how to build a consistent position and results at 300 yards...
  15. Sterling Shooter

    300 yards shooting is all over the place.

    Marksmanship begins with this fact: the bullet always goes in the direction the barrel is pointed. Couple this with the fact that all shooting is the same: properly point the rifle with consistent sight alignment and pull the trigger without moving the rifle utilizing smooth trigger control and...
  16. Sterling Shooter

    What M4 to buy?

    I too would recommend a commercial equivalent of an M16A4. It has a longer sight radius, which makes it easier to focus on the front sight, as well as understand when alignment has been perfected. For some, the target and front post will be more distinct too using the A4's small aperture. This...
  17. Sterling Shooter

    300 yards shooting is all over the place.

    The OP should record every shot in a data book. For slow fire he should plot both call and shot. This will allow refinement of zeros for conditions, notice of trends, and to build confidence. If any one is interested I can post on how to use the data book.
  18. Sterling Shooter

    Sandbags or bipod?

    Move non firing hand closer to body and/or stretch position, moving belt buckle rearward. Another approach is to raise sandbag height, since this sort of problem is caused by having too short a sandbag to start off with. Getting a satisfactory relationship between shooter, gun, and ground with...
  19. Sterling Shooter

    Ok I have a poll question M1A or AR10 SASS

    I am shooting Service Rifle at 2800 with 80 grain Berger's and tossing brass. Load is 24.8 grains of RE-15, Win. brass and primers. It is really hot. How are you getting 2900 and keeping your rifle together at the same time?
  20. Sterling Shooter

    300 yards shooting is all over the place.

    Some have offered advice which does not address the cause and effect relationships which are undermining the results. Instead, you are being given remedies (substitutes for marksmanship) to treat the symptoms of poor marksmanship. These treatments only mask the problem, they do not get rid of...
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