Biggfoot44
Blackhawk
- Joined
- Sep 6, 2009
- Messages
- 829
Not how it works with " typical handguns @ typical handgun distances "
The two main factors are bbl dwell time , and muzzle rise from recoil .
Slower & heavier spends longer in bbl , giving more milliseconds for muzzle angle to rise from recoil before bullet actually leaves muzzle .
Faster & lighter spends fewer milliseconds in the bbl , and muzzle hasn't moved as far upwards .
That's why when switching from 158gr to 110 gr duty ammo , front sights were filed DOWN .
Now if we were shooting at 100 plus yards . then ballistic coefficients and gravity , etc become important factors.
I know ,counter intuitive if you primarily deal with typical centerfire rifles , but for at least 25yds , up to 50yds , dwell time and muzzle rise are controlling .
The two main factors are bbl dwell time , and muzzle rise from recoil .
Slower & heavier spends longer in bbl , giving more milliseconds for muzzle angle to rise from recoil before bullet actually leaves muzzle .
Faster & lighter spends fewer milliseconds in the bbl , and muzzle hasn't moved as far upwards .
That's why when switching from 158gr to 110 gr duty ammo , front sights were filed DOWN .
Now if we were shooting at 100 plus yards . then ballistic coefficients and gravity , etc become important factors.
I know ,counter intuitive if you primarily deal with typical centerfire rifles , but for at least 25yds , up to 50yds , dwell time and muzzle rise are controlling .