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Winchester USA White Box 115gr FMJ

Drawing of the Winchester USA White Box 115gr FMJ bullet
Cartridge
9x19mm Parabellum
Bullet weight
7.45 g
Reference velocity
362 m/s
Muzzle energy
488 J

Specification

The load, and the figures its drawing is made from

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IdentityWho makes it, and what it is for.

Designation
USA9MM
Maker
Winchester
Country of origin
United States
Introduced
1950
Military load
No
Widely available
Yes

ProjectileThe figures the drawing and the solver start from.

Bullet type
FMJ
Cartridge
9x19mm Parabellum
Bullet diameter
9.01 mm
Bullet weight
7.45 g (115.0 gr)
Sectional density
0.13
Ballistic coefficient (G1)
0.139
Reference velocity
362 m/s (1188 ft/s)
Reference barrel
102 mm
Velocity retention exponent
0.22

Ballistics

Downrange, solved

Solved at the reference barrel of 102 mm from the G1 coefficient and the load's velocity retention. A different barrel gives a different curve.

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0 m362 m/s

0100200300400184 m0501002003004005006008001000

At the muzzle

What leaves the barrel

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MuzzleThe solver’s figures at the reference barrel, where the curve starts.

Muzzle energy
488 J
Effective range
184 m
Momentum
2.70 kg m/s
Taylor knockout factor
6.9
Hatcher relative stopping power
32
Energy density
765.6 J/cm²

Downrange

Point by point

The same solution as the chart, at each distance the solver reports.

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DistanceVelocityEnergyDropTime of flightMach
0 m362 m/s488 J0 cm0 s1.06
50 m312 m/s362 J11 cm0.15 s0.91
100 m283 m/s298 J49.7 cm0.318 s0.83
200 m243 m/s221 J240.7 cm0.701 s0.71
300 m212 m/s168 J638.5 cm1.141 s0.62
400 m187 m/s130 J1324.2 cm1.643 s0.55
500 m165 m/s101 J2402.7 cm2.213 s0.48
600 m145 m/s78 J4016 cm2.861 s0.42
800 m111 m/s46 J9689.1 cm4.444 s0.32
1000 m84 m/s26 J20898.7 cm6.527 s0.24

API

The call that returns this record

The same fields, in the same units, from the same endpoint the page reads.

curl --request GET \  --url 'https://api.gunspec.io/v1/ammunition/winchester-usa-115fmj' \  --header 'X-API-Key: your_key'