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  1. Marine52

    Help on accuracy please

    Looks like you have checked all the obvious things: loose base or rings, different ammo lot, etc. Assuming you are consistent with recoil management, cheek pressure, etc, we’re looking at low probability problems like a loose barrel. As Feniks Tech said above, could be chassis or burned out...
  2. Marine52

    Advanced Marksmanship Lying to Ourselves About What Makes a Difference.

    Amazing this unfocused rambling rant-initiated thread is still breathing.
  3. Marine52

    Trainer rifle mimicking comp/hunt rifle.

    I use a 22 RF at 200 yds for f-class practice on wind calling. Have flags out and my spotting scope for mirage. Its not perfect but does help my rhythm and mimics to some extent wind deflection of a 308 at 1000 yds.
  4. Marine52

    Help on accuracy please

    you likely have severe carbon fouling at this point. Try using Iosso, JB’s, or Simichrome. Be aggressive.
  5. Marine52

    Help on accuracy please

    If I understand correctly, you have 900 rounds on the barrel and you cleaned it twice? With solvent only?
  6. Marine52

    What kind of rear support do people use when shoot for best group size?

    One caution to my recommendation of this bag. I expect Seb designed this bag with the Neo and Joypod in mind. Both have joysticks for getting your reticle back on target after a shot. I have this bag and the joypod and they work excellent together. However, this bag is like a rock. It...
  7. Marine52

    What kind of rear support do people use when shoot for best group size?

    this is at the top of the list for stable rear bags. It is used primarily by F-Class shooters. If you are not into F-Class, go with a a lighter bag for a wider field of use.
  8. Marine52

    RH Twist vsLH Twist

    So in your imaginary world, rifle barrels torque in the opposite direction of barrel twist. I choose to believe the legendary barrel maker Pope and Frank Green of Bartlein Barrels. Pope said that LH barrels were easier for a right-handed shooter to control. Green is a left-handed shooter...
  9. Marine52

    RH Twist vsLH Twist

    “Frictional energy” was probably a bad use of terminology. I’m not an engineer. But if you read the post it is obvious I’m referring to the force or energy required to overcome the tremendous friction between the bullet and bore. This is what causes the barrel torque to follow the bullet spin.
  10. Marine52

    RH Twist vsLH Twist

    You do have the traits of a dem. Blaming others for your idiocy and deceit
  11. Marine52

    RH Twist vsLH Twist

    BTW: for you guys with LH barrels, I’ve got some left-twist bullets I’m gonna put on the PX. From a limited Berger production run, 30 cal. 180 gr. They’re pricy but hey you’ll need em for that barrel.
  12. Marine52

    RH Twist vsLH Twist

    Friction Your are correct in one aspect and that is newtons law. The rifling does impart rotational energy to the bullet. The bullet’s rotational energy is clockwise for a right twist and an equal amount of counterclockwise rotational energy is transferred to the barrel. However this barrel...
  13. Marine52

    RH Twist vsLH Twist

    This is a common misconception and internet myth. The torque on barrel is in the same direction as the barrel twist. Do some research.
  14. Marine52

    RH Twist vsLH Twist

    The torque on barrel is in the same direction as the barrel twist
  15. Marine52

    Using a Zero that isn't 100yd - Why?

    You’re getting zeroing and sighting-in confused. As you suggest, I sight-in and do load development at 100yds to minimize atmospheric effects. If I’m shooting at 800 yards my scope is zeroed at 800 yards—I don’t hold for vertical. I hold for wind
  16. Marine52

    Using a Zero that isn't 100yd - Why?

    Set your zero stop at 100 if you shoot a lot at short range. Some of us don’t, we prefer a setting of say 300 or 500 wind?? Wind has the same impact on bullet trajectory regardless of zero-stop setting. verification. You should always verify your DOPE at distance before you do serious...
  17. Marine52

    Using a Zero that isn't 100yd - Why?

    March
  18. Marine52

    Using a Zero that isn't 100yd - Why?

    You can set your zero-stop for a 100 yard zero if you want but that’s your personal preference not mine. I prefer to have it set at 500 since I have no need to dial back to a 100 zero When you are dialing you are changing your rifle zero by definition. My point it that it is personal preference
  19. Marine52

    Using a Zero that isn't 100yd - Why?

    The way of “zeroing” your rifle has changed. The definition of a rifle zero at distance is where POA=POI at that distance. Years ago we would sight in the deer rifle at 100 yards with POI two inches above POA. This permitted a center hold out to any feasible deer shooting distance. The...
  20. Marine52

    Using a Zero that isn't 100yd - Why?

    With modern tactical turrets the idea of “zeroing“ your rifle has changed. The real question is “where do I set my zero-stop.”. And the answer is : personal preference based on your shooting needs. There is no best answer like 100 yards or 500 yards
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