Load data for .300 Weath. Mag. + 180gr Hornady SST InterLock

502 suitable loads across 80 powder(s) for cartridge .300 Weath. Mag. with 180gr Hornady SST InterLock bullet.

The most recommended powders for this combination are Alliant Reloder-26, Norma MRP and Accurate High Country.

Based on C.I.P., the max. allowed case length is 2.825 in / 71.75 mm, the max. cartridge length is 3.560 in / 90.42 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

180gr Hornady SST InterLock bullet image

Based on C.I.P., the max. allowed case length is 2.825 in / 71.75 mm, the max. cartridge length is 3.560 in / 90.42 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications

ImperialMetric

Bullet:.308 | 180gr | SST InterLock

Cartridge:.300 Weath. Mag. load data

Case Length (L3):2.824" | 71.7 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.655" | 16.6 mm

Case Capacity:98.9 gow | 6.41 cm³

Primer Size:Large Rifle Magnum (LRM)

Max. Pressure (C.I.P.):63,817 psi | 4,400 bar

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:12.0

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Community Loads for .300 Weath. Mag. + 180gr Hornady SST InterLock

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)

78.0 gr	3.560"	22.0"	2864 fps	•••

83.0 gr	3.560"	22.0"	2854 fps	•••

78.0 gr	3.560"	22.0"	2851 fps	•••

•••	3.560"	22.0"	2890 fps	•••

•••	3.560"	22.0"	2904 fps	•••
•••	3.560"	22.0"	3048 fps	•••

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