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Flashcards in Basic Operations Deck (36)
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31

What is a trigger bar?

Operates between the Trigger and the sear, essentially an extension of the trigger.

32

How many Minutes of Angle are in 1 degree?

60 minutes

33

What are the three most common compositions of cartridge casings?

Brass (ideal) 70% copper, 30% zinc
Aluminum (weaker than brass)
Steel (Usually coated in a laquer)

34

How many flash holes does a Berdan primer have?

2

35

How is a military round measured?

Bullet Diameter X Cartridge Case Length

36

How is a civilian caliber measured?

Across the bore, land to land, in 1/100ths of an inch