Load data for .300 Rem. SA Ultra Mag. + 180gr Nosler Partition

The most recommended powders for this combination are IMR 4350.

Based on SAAMI, the max. allowed case length is 2.015 in / 51.18 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 2.015 in / 51.18 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:.308 | 180gr | Partition

Cartridge:.300 Rem. SA Ultra Mag. load data

Case Length (L3):2.003" | 50.9 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.358" | 9.1 mm

Case Capacity:74 gow | 4.80 cm³

Primer Size:Large Rifle (LR)

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

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:14.5

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Community Loads for .300 Rem. SA Ultra Mag. + 180gr Nosler Partition

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)

56.0 gr	2.825"	24.0"	2666 fps	•••
58.0 gr	2.825"	24.0"	2750 fps	•••
60.0 gr	2.825"	24.0"	2833 fps	•••

•••	2.825"	24.0"	2735 fps	•••
•••	2.825"	24.0"	2818 fps	•••
•••	2.825"	24.0"	2904 fps	•••

•••	2.825"	24.0"	2703 fps	•••
•••	2.825"	24.0"	2788 fps	•••
•••	2.825"	24.0"	2871 fps	•••

•••	2.825"	24.0"	2614 fps	•••
•••	2.825"	24.0"	2696 fps	•••
•••	2.825"	24.0"	2778 fps	•••

•••	2.825"	24.0"	2588 fps	•••
•••	2.825"	24.0"	2672 fps	•••
•••	2.825"	24.0"	2754 fps	•••

•••	2.825"	24.0"	2830 fps	•••
•••	2.825"	24.0"	2911 fps	•••

•••	2.825"	24.0"	2670 fps	•••
•••	2.825"	24.0"	2755 fps	•••
•••	2.825"	24.0"	2840 fps	•••

•••	2.825"	24.0"	2669 fps	•••
•••	2.825"	24.0"	2761 fps	•••
•••	2.825"	24.0"	2855 fps	•••

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