Load data for 7 mm Rem. SA Ultra Mag. + 140gr Sierra SBT GameKing

634 suitable loads across 112 powder(s) for cartridge 7 mm Rem. SA Ultra Mag. with 140gr Sierra SBT GameKing bullet.

The most recommended powders for this combination are ReloadSwiss RS 70, Alliant Reloder-16 and Hodgdon Superformance.

Based on SAAMI, the max. allowed case length is 2.035 in / 51.69 mm, the max. cartridge length is 2.825 in / 71.75 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.

Based on SAAMI, the max. allowed case length is 2.035 in / 51.69 mm, the max. cartridge length is 2.825 in / 71.75 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.

Load Specifications

ImperialMetric

Bullet:.284 | 140gr | SBT GameKing

Cartridge:7 mm Rem. SA Ultra Mag. load data

Case Length (L3):2.026" | 51.5 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.424" | 10.8 mm

Case Capacity:72.6 gow | 4.70 cm³

Primer Size:Large Rifle (LR)

Max. Pressure (SAAMI):65,000 psi | 4,482 bar

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:12.0

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Community Loads for 7 mm Rem. SA Ultra Mag. + 140gr Sierra SBT GameKing

Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.

Charge (gr)	C.O.L.	Barrel Length	Velocity (fps)	Pressure (psi)

55.8 gr	2.820"	24.0"	2893 fps	•••
57.8 gr	2.820"	24.0"	2988 fps	•••

50.4 gr	2.820"	24.0"	2713 fps	•••
•••	2.820"	24.0"	2770 fps	•••
•••	2.820"	24.0"	2827 fps	•••
•••	2.820"	24.0"	2888 fps	•••
•••	2.820"	24.0"	2944 fps	•••

•••	2.820"	24.0"	2700 fps	•••
•••	2.820"	24.0"	2748 fps	•••
•••	2.820"	24.0"	2794 fps	•••
•••	2.820"	24.0"	2845 fps	•••
•••	2.820"	24.0"	2885 fps	•••
•••	2.820"	24.0"	2890 fps	•••
•••	2.820"	24.0"	2941 fps	•••
•••	2.820"	24.0"	2989 fps	•••

Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.