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Federal Gold Medal 140gr Sierra MatchKing

Drawing of the Federal Gold Medal 140gr Sierra MatchKing bullet
Cartridge
6.5 Creedmoor
Bullet weight
9.07 g
Reference velocity
815 m/s
Muzzle energy
3012 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
GM65CRD1
Maker
Federal Premium
Country of origin
United States
Introduced
2009
Military load
No
Widely available
Yes

ProjectileThe figures the drawing and the solver start from.

Bullet type
BTHP
Cartridge
6.5 Creedmoor
Bullet diameter
6.71 mm
Bullet weight
9.07 g (140.0 gr)
Sectional density
0.287
Ballistic coefficient (G1)
0.535
Ballistic coefficient (G7)
0.261
Reference velocity
815 m/s (2674 ft/s)
Reference barrel
610 mm
Velocity retention exponent
0.14

Ballistics

Downrange, solved

Solved at the reference barrel of 610 mm from the G1 coefficient and the load's velocity retention. A different barrel gives a different curve.

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0 m815 m/s

0225450675900495 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
3012 J
Effective range
495 m
Momentum
7.39 kg m/s
Taylor knockout factor
14.1
Hatcher relative stopping power
110
Energy density
8493.1 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 m815 m/s3012 J0 cm0 s2.38
50 m808 m/s2957 J1.9 cm0.062 s2.35
100 m800 m/s2903 J7.5 cm0.124 s2.33
200 m785 m/s2794 J30.7 cm0.25 s2.29
300 m769 m/s2685 J70.3 cm0.379 s2.24
400 m754 m/s2577 J127.6 cm0.51 s2.20
500 m738 m/s2469 J203.5 cm0.644 s2.15
600 m722 m/s2361 J299.3 cm0.781 s2.10
800 m688 m/s2146 J556.2 cm1.065 s2.01
1000 m652 m/s1931 J911.6 cm1.363 s1.90

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/federal-gmm-140-smk' \  --header 'X-API-Key: your_key'