Mec 8567 Grabber - Page 2

LET’S LOOK INSIDE A SHOTSHELL
CRIMP
Seals all
components tightly
inside the hull.
May be 6 or 8 point.
HULL
The outer case
that holds the
components. May
be plastic or paper.
WAD
Confines powder for
uniform ignition, and
separates powder
from shot. (Most
Commonly used is a
combination shot cup
and wad — called a
“wad column.”)
BASE
Holds primer, and
securely anchors
shell in gun breech.
May be brass
or steel.
SHOT
Comes in a variety
of sizes for different
shooting situations.
SHOT CUP
Plastic cup holds
shot in the pattern
as it leaves
gun muzzle.
CHARGE
When ignited by
primer, powder
charge, burning at a
controlled rate,
generates gas
pressure which, with
aid of a wad
column, propels shot
out of gun barrel.
PRIMER
POCKET
Opening in metal
base into which
primer is inserted.
PRIMER
Gun firing pin
detonates
component in
primer, which ignites
main powder charge.
Photo No.