Shotguns Flashcards
In shotgun discharge: how far does flame and smoke reach?
Flame reaches 6 in
Smoke reaches 15 in
In shotgun discharge: jow far does tattooing reach and wad?
Tattooing 24 in
Wad 3 ft
In shotgun discharge how far out do you see satellite holes and unofrm peppering?
Satellite holes 2 yards
Uniform peppering 10 yars
Number of balls of lead exactly fitting the barrel diameter which make up 1 lb in weight
Shotgun gauge
12 gauge is 18.2mm
How is choke of barrel measured?
% shot striking within 30 inch target circle at range of 40y
Full choke = 60%
Cylinder choke = 30%
What has petals in a shogun ammo?
Power piston
What does power piston do?
Pushes shot out barrel and then exits
When does power piston contribute to wound?
Less than 20’
What does power piston indicate?
Manufacturer and gauge
Power piston: less than 1 ft?
Not yet open
Power piston: 1-3 ft?
Abrasions from petals
Power piston: greater than 3 ft?
Folded back
Power piston: greater than 8-10 feet?
Sgtrikes alongside entry
When ight be seen around contacat shotgun wound margin?
CHERRY PIUNK COLOUR FROM CO
Small circular defect < 2’ No tattooing > 3’ Scalloped margins by 3’ Satellite holes (fliers) by 4’ Cuff of satellite holes by 6’
Shoggun wound distant range
