foot lbs rating average by "bullet" type
0135,22 LR
0245,17 HMR
0324,22 WMR
0362,9mm
0420,40 S&W
0432,45 ACP
0624,357 Magnum
0901,17 Remington
1296,223 Remington
1527,7.62x39mm
1925,243 Winchester
2354,260 Remington
2719,308 Winchester
2750,30-06 S…
foot lbs rating average by "bullet" type
0135,22 LR
0245,17 HMR
0324,22 WMR
0362,9mm
0420,40 S&W
0432,45 ACP
0624,357 Magnum
0901,17 Remington
1296,223 Remington
1527,7.62x39mm
1925,243 Winchester
2354,260 Remington
2719,308 Winchester
2750,30-06 Springfield
2755,12 gauge slug minimum
3221,7mm Rem Mag
3548,300 WM
4092,300 RUM
4938,338 Lapua Mag
3 inch 12 gauge chamber starts as .815 tapers down to .800 & force cones to a .729 "bore"
3 inch 410 shell chamber starts as .475 tapers down to .465 & force cones to a .410 "bore"
Percentage of lead shot in 75 cm circle at 35 m & 30-inch circle at 40 yards real world test
a load of buckshot is traditionally used at ranges up to 25 yards 22.8 meters
a choke gradually squeezed down shot with minimal deformation through a conical portion about 3 times the bore diameter in length that smoothly tapers the bore diameter down to a shorter cylindrical choke diameter section 1 times the bore diameter in length ?
A "point" of constriction of the inner diameter of a choke = .025 mm .001 inch
the number of thin slots cut in the exposed rim of a choke tube at the muzzel end may correspond to the number of Spanish shotgun Identification Stars
30 point constriction common choke causes 70% of the pellets to
hit in a target, a 45 point constriction turkey choke might allow 75%
0.13 mm (0.005 in) of constriction = a 75 cm (30 in) diameter pattern @ 20 m (22 yd)
0.75 mm (0.030 in) of constriction = a 75 cm (30 in) diameter pattern @ 35 m (38 yd)
UK Firearms Act Ammunition law says shotgun shells with 5 or more projectiles,
.36 inch (9 mm) in diameter or less are legal so a single projectile Slug is illegal
in the United States any firearm with a rifled barrel over 12.7 millimeters (.50 inches)
is legally considered a destructive device BUT a firearm designed to fire shotgun shells
can be converted to fire shotgun slugs with the addition of a rifleing & stay a shotgun by
barrel replacement or inse..
