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Speer Gold Dot 124gr GDHP

Drawing of the Speer Gold Dot 124gr GDHP bullet
Cartridge
9x19mm Parabellum
Bullet weight
8.04 g
Reference velocity
350 m/s
Muzzle energy
492 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
23618
Maker
Speer
Country of origin
United States
Introduced
1991
Military load
No
Widely available
Yes

ProjectileThe figures the drawing and the solver start from.

Bullet type
JHP
Cartridge
9x19mm Parabellum
Bullet diameter
9.01 mm
Bullet weight
8.04 g (124.1 gr)
Sectional density
0.141
Ballistic coefficient (G1)
0.134
Reference velocity
350 m/s (1148 ft/s)
Reference barrel
102 mm
Velocity retention exponent
0.23

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 m350 m/s

0100200300400180 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
492 J
Effective range
180 m
Momentum
2.81 kg m/s
Taylor knockout factor
7.2
Hatcher relative stopping power
36
Energy density
772.4 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 m350 m/s492 J0 cm0 s1.02
50 m304 m/s371 J11.7 cm0.154 s0.89
100 m277 m/s308 J52.5 cm0.327 s0.81
200 m238 m/s227 J253.2 cm0.719 s0.69
300 m207 m/s172 J672.2 cm1.171 s0.60
400 m181 m/s132 J1397.5 cm1.688 s0.53
500 m159 m/s101 J2545.6 cm2.278 s0.46
600 m139 m/s77 J4276.2 cm2.953 s0.40
800 m105 m/s44 J10448.8 cm4.615 s0.31
1000 m78 m/s25 J22892.5 cm6.832 s0.23

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/speer-gold-dot-124jhp' \  --header 'X-API-Key: your_key'