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Federal Gold Medal 130gr Berger Hybrid OTM

Drawing of the Federal Gold Medal 130gr Berger Hybrid OTM bullet
Cartridge
6.5 Creedmoor
Bullet weight
8.42 g
Reference velocity
876 m/s
Muzzle energy
3231 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
GM65CRDBH130
Maker
Federal Premium
Country of origin
United States
Introduced
2018
Military load
No
Widely available
Yes

ProjectileThe figures the drawing and the solver start from.

Bullet type
Hybrid OTM
Cartridge
6.5 Creedmoor
Bullet diameter
6.71 mm
Bullet weight
8.42 g (129.9 gr)
Sectional density
0.266
Ballistic coefficient (G1)
0.56
Ballistic coefficient (G7)
0.287
Reference velocity
876 m/s (2874 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 m876 m/s

0225450675900536 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
3231 J
Effective range
536 m
Momentum
7.38 kg m/s
Taylor knockout factor
14.1
Hatcher relative stopping power
118
Energy density
9108.8 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 m876 m/s3231 J0 cm0 s2.55
50 m869 m/s3183 J1.6 cm0.057 s2.53
100 m863 m/s3135 J6.5 cm0.115 s2.52
200 m850 m/s3040 J26.4 cm0.232 s2.48
300 m836 m/s2946 J60.2 cm0.35 s2.44
400 m823 m/s2852 J108.8 cm0.471 s2.40
500 m810 m/s2759 J172.7 cm0.593 s2.36
600 m796 m/s2667 J252.9 cm0.718 s2.32
800 m768 m/s2483 J465.1 cm0.974 s2.24
1000 m739 m/s2301 J753.1 cm1.239 s2.16

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-130-berger' \  --header 'X-API-Key: your_key'