Notice

New Media API EndpointPull newly uploaded firearm images and rendersAll Media API Endpoint

SIG .277 Fury 135gr FMJ (Reduced Pressure)

Drawing of the SIG .277 Fury 135gr FMJ (Reduced Pressure) bullet
Cartridge
6.8x51mm (.277 SIG Fury)
Bullet weight
8.75 g
Reference velocity
838 m/s
Muzzle energy
3072 J

Specification

The load, and the figures its drawing is made from

Copy a link to this section

IdentityWho makes it, and what it is for.

Designation
Standard SAAMI
Maker
SIG Sauer
Country of origin
United States
Introduced
2020
Military load
No
Widely available
No

ProjectileThe figures the drawing and the solver start from.

Bullet type
FMJ
Cartridge
6.8x51mm (.277 SIG Fury)
Bullet diameter
7.04 mm
Bullet weight
8.75 g (135.0 gr)
Sectional density
0.249
Ballistic coefficient (G1)
0.475
Reference velocity
838 m/s (2749 ft/s)
Reference barrel
406 mm
Velocity retention exponent
0.15

Ballistics

Downrange, solved

Solved at the reference barrel of 406 mm from the G1 coefficient and the load's velocity retention. A different barrel gives a different curve.

Copy a link to this section

0 m838 m/s

0225450675900479 m0501002003004005006008001000

At the muzzle

What leaves the barrel

Copy a link to this section

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

Muzzle energy
3072 J
Effective range
479 m
Momentum
7.33 kg m/s
Taylor knockout factor
15.9
Hatcher relative stopping power
144
Energy density
6737.0 J/cm²

Downrange

Point by point

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

Copy a link to this section
DistanceVelocityEnergyDropTime of flightMach
0 m838 m/s3072 J0 cm0 s2.44
50 m820 m/s2944 J1.8 cm0.06 s2.39
100 m803 m/s2819 J7.3 cm0.122 s2.34
200 m768 m/s2579 J30.5 cm0.249 s2.24
300 m733 m/s2351 J71.8 cm0.383 s2.14
400 m699 m/s2135 J133.8 cm0.522 s2.04
500 m664 m/s1931 J219.6 cm0.669 s1.94
600 m630 m/s1739 J332.7 cm0.824 s1.84
800 m563 m/s1386 J659.1 cm1.159 s1.64
1000 m496 m/s1076 J1159.5 cm1.538 s1.45

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/sig-reduced-135fmj' \  --header 'X-API-Key: your_key'