Load data for .300 WSM + 220gr Woodleigh RN SN

470 suitable loads across 84 powder(s) for cartridge .300 WSM with 220gr Woodleigh RN SN bullet.

The most recommended powders for this combination are Alliant Reloder-26, Norma MRP and Ramshot Grand.

Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.860 in / 72.64 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications

ImperialMetric

Bullet:.308 | 220gr | RN SN

Cartridge:.300 WSM load data

Case Length (L3):2.090" | 53.1 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.548" | 13.9 mm

Case Capacity:81.3 gow | 5.27 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:1:14.5

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Community Loads for .300 WSM + 220gr Woodleigh RN SN

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)

61.0 gr	2.980"	20.0"	2464 fps	•••
63.0 gr	2.980"	20.0"	2533 fps	•••

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