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

386 suitable loads across 68 powder(s) for cartridge .300 Rem. Ultra Mag. with 180gr Hornady SST InterLock bullet.

The most recommended powders for this combination are Hodgdon Retumbo, Hodgdon US 869 and ReloadSwiss RS 76.

Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 64,977 PSI / 4,480 bar.

180gr Hornady SST InterLock bullet image

Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 64,977 PSI / 4,480 bar.

Load Specifications

ImperialMetric

Bullet:.308 | 180gr | SST InterLock

Cartridge:.300 Rem. Ultra Mag. load data

Case Length (L3):2.850" | 72.4 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.644" | 16.4 mm

Case Capacity:112.5 gow | 7.29 cm³

Primer Size:Large Rifle Magnum (LRM)

Max. Pressure (C.I.P.):64,977 psi | 4,480 bar

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:12.0

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Community Loads for .300 Rem. Ultra 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.

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

	103.3 gr	3.660"	26.0"	2825 fps	•••

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