Load data for .300 Rem. SA Ultra Mag. + 150gr Speer Boat-Tail

570 suitable loads across 100 powder(s) for cartridge .300 Rem. SA Ultra Mag. with 150gr Speer Boat-Tail bullet.

The most recommended powders for this combination are ReloadSwiss RS 60, Alliant Power Pro 2000-MR and Alliant Reloder-17.

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 | 150gr | Boat-Tail

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

Case Length (L3):2.003" | 50.9 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.282" | 7.2 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:1:15.0

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Community Loads for .300 Rem. SA Ultra Mag. + 150gr Speer Boat-Tail

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)

60.0 gr	2.800"	—	2912 fps	•••

63.5 gr	2.800"	24.0"	3225 fps	•••

65.5 gr	2.800"	24.0"	3141 fps	•••

•••	2.800"	—	2933 fps	•••
•••	2.800"	—	3116 fps	•••

•••	2.800"	—	3001 fps	•••

•••	2.800"	—	2878 fps	•••
•••	2.800"	—	3047 fps	•••

•••	2.800"	—	2945 fps	•••
•••	2.800"	—	3118 fps	•••

•••	2.800"	—	3025 fps	•••
•••	2.800"	—	3206 fps	•••

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