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FTT 221-9445 Sights, Optics, and Accuracy 100- SURE ANSWERS_.pdf
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FTT 221-9445 Sights, Optics, and Accuracy 100- SURE ANSWERS_.pdf
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8/22/24, 9:12 PMFTT 221-9445 Sights, Optics, and Accuracy
Jeremiah
Practice questions for this set
Terms in this set (94)
A crown is the very tip of the bore in which Crown
the exit plane is precisely ma- chined
FTT 221-9445 Sights, Optics, and Accuracy
perpendicular to the bore axis
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, 8/22/24, 9:12 PM
Barrel harmonics is the mea- sure of a Harmonics
barrel's ability to return to true upon fir- ing a
round, and ensures that from shot to shot, a
consistent barrel movement is achieved.
Bedding is a process in which the stock and Bedding and Stabilizing.
tang are infused with epoxy that surrounds
the action and barrel
c. Louis Flobert Who developed the first pinfire metallic cartridge?
Who created the first working ballistics b. Dr. Benjamin Robin
pendulum?
The amount that a trigger is consis- tently Triggers.
accurate is 100% subjective, but most of the
time a lighter trigger will be requested by
the shooter. It should be noted that a trigger
is not a primary mechanism that affects
accuracy, but it does affect the shooter's
ability in tim- ing an accurate shot
Blueprinting, or truing, the ac- tion of a bolt- Blueprinting.
action firearm is comprised of four main
tasks: facing the action, truing the bolt face,
lapping the lugs, and recutting the action
threads.
The projectile's velocity outlined on page 12 d. Feet per second (ft/s)
is measured in:
Which of the following is the equation that is \frac{M (gr)}{7000 ∙ D(in)^2}
used to calculate sectional density?
The first person to perfect interchangeable c. Honoré Leblanc
flintlock parts intended for mass production
was:
Bearable arms were first used to: c. Scare troops and horses.
a. To calculate the dimensions of a standard bullet
What were the collective results of the Gavre b. To understand how projectiles behave under different weather conditions
Commission? c. To calculate ballistics coefficient
d. All the above
When Galileo created the idea of a ballistics d. Parabola
_______ his equations did not include drag nor
gravity.
The family of equations used to measure SUVAT
projectile motion is abbreviated:
ing accurate results is using the extreme Extreme Spread
spread, or center-to-center (CTC). This is
done by taking calipers and measuring the
overall length of the shot pattern from the
center of two bullet holes on opposite
extreme distances.
A mean radius is the total measure of all Mean Radius
shots measured from a desired mean point
of impact, or DPMI
FTT 221-9445 Sights, Optics, and Accuracy
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