Load data for .300 RCM + 178gr Hornady ELD-Match

Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.840 in / 72.14 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.840 in / 72.14 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications

ImperialMetric

Bullet:.308 | 178gr | ELD-Match

Cartridge:.300 RCM load data

Case Length (L3):2.090" | 53.1 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.578" | 14.7 mm

Case Capacity:75 gow | 4.86 cm³

Primer Size:Large Rifle (LR)

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

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:12.5

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Community Loads for .300 RCM + 178gr Hornady ELD-Match

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)

54.7 gr	2.840"	24.0"	2738 fps	•••

55.7 gr	2.840"	24.0"	2664 fps	•••
59.2 gr	2.840"	24.0"	2813 fps	•••

•••	2.840"	24.0"	2772 fps	•••

•••	2.840"	24.0"	2634 fps	•••
•••	2.840"	24.0"	2762 fps	•••

•••	2.840"	24.0"	2663 fps	•••
•••	2.840"	24.0"	2862 fps	•••

•••	2.840"	24.0"	2661 fps	•••
•••	2.840"	24.0"	2791 fps	•••

•••	2.840"	24.0"	2619 fps	•••
•••	2.840"	24.0"	2758 fps	•••

•••	2.840"	24.0"	2664 fps	•••
•••	2.840"	24.0"	2867 fps	•••

•••	2.840"	24.0"	2735 fps	•••

•••	2.840"	24.0"	2642 fps	•••
•••	2.840"	24.0"	2767 fps	•••

•••	2.840"	24.0"	2684 fps	•••
•••	2.840"	24.0"	2816 fps	•••

•••	2.840"	24.0"	2658 fps	•••
•••	2.840"	24.0"	2813 fps	•••

•••	2.840"	24.0"	2698 fps	•••

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