Load data for .450 Marlin + 400gr Speer Soft Point Flat Nose

130 suitable loads across 26 powder(s) for cartridge .450 Marlin with 400gr Speer Soft Point Flat Nose bullet.

The most recommended powders for this combination are ADI AR 2207, Norma 200 and Alliant Reloder-7.

Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.550 in / 64.76 mm, and the max. allowed pressure is 47,863 PSI / 3,300 bar.

400gr Speer Soft Point Flat Nose bullet image

Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.550 in / 64.76 mm, and the max. allowed pressure is 47,863 PSI / 3,300 bar.

Load Specifications

ImperialMetric

Bullet:.458 | 400gr | Soft Point Flat Nose

Cartridge:.450 Marlin load data

Case Length (L3):2.080" | 52.8 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.501" | 12.7 mm

Case Capacity:74 gow | 4.80 cm³

Primer Size:Large Rifle (LR)

Max. Pressure (C.I.P.):47,863 psi | 3,300 bar

Barrel Length:24.0" | 610 mm

Min. Twist Rate:Stabilizes in any common twist

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Community Loads for .450 Marlin + 400gr Speer Soft Point Flat Nose

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)

47.0 gr	2.552"	—	1850 fps	•••
51.0 gr	2.552"	—	1993 fps	•••

47.0 gr	2.552"	—	1790 fps	•••
•••	2.552"	—	1942 fps	•••

•••	2.520"	24.0"	1875 fps	•••
•••	2.520"	24.0"	2033 fps	•••

•••	2.552"	—	2027 fps	•••

•••	2.552"	—	1994 fps	•••

•••	2.552"	—	1879 fps	•••

•••	2.552"	—	1986 fps	•••

•••	2.552"	—	1889 fps	•••
•••	2.552"	—	2039 fps	•••

•••	2.552"	—	1939 fps	•••

•••	2.552"	—	1765 fps	•••
•••	2.552"	—	1911 fps	•••

•••	2.552"	—	1803 fps	•••
•••	2.552"	—	1938 fps	•••

•••	2.552"	—	1791 fps	•••
•••	2.552"	—	1931 fps	•••

•••	2.552"	—	1757 fps	•••

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