Load data for 7 x 57 + 145gr Speer Boat-Tail

Based on C.I.P., the max. allowed case length is 2.244 in / 57.00 mm, the max. cartridge length is 3.071 in / 78.00 mm, and the max. allowed pressure is 56,565 PSI / 3,900 bar.

Based on C.I.P., the max. allowed case length is 2.244 in / 57.00 mm, the max. cartridge length is 3.071 in / 78.00 mm, and the max. allowed pressure is 56,565 PSI / 3,900 bar.

Load Specifications

ImperialMetric

Bullet:.284 | 145gr | Boat-Tail

Cartridge:7 x 57 load data

Case Length (L3):2.244" | 57.0 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.609" | 15.5 mm

Case Capacity:61 gow | 3.95 cm³

Primer Size:Large Rifle (LR)

Max. Pressure (C.I.P.):56,565 psi | 3,900 bar

Barrel Length:23.6" | 600 mm

Min. Twist Rate:1:12.0

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Community Loads for 7 x 57 + 145gr Speer Boat-Tail

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)

40.9 gr	2.800"	—	2557 fps	•••
44.4 gr	2.800"	—	2762 fps	•••

42.0 gr	2.800"	—	2674 fps	•••

•••	2.800"	—	2615 fps	•••
•••	2.800"	—	2818 fps	•••

•••	2.800"	—	2488 fps	•••
•••	2.800"	—	2702 fps	•••

•••	2.800"	—	2631 fps	•••

•••	2.800"	—	2462 fps	•••
•••	2.800"	—	2692 fps	•••

•••	2.800"	—	2540 fps	•••
•••	2.800"	—	2763 fps	•••

•••	2.800"	—	2714 fps	•••

•••	2.800"	—	2525 fps	•••
•••	2.800"	—	2738 fps	•••

•••	2.800"	—	2569 fps	•••
•••	2.800"	—	2784 fps	•••

•••	2.800"	—	2562 fps	•••
•••	2.800"	—	2759 fps	•••

•••	2.800"	—	2689 fps	•••

•••	2.800"	—	2596 fps	•••

•••	2.800"	—	2559 fps	•••
•••	2.800"	—	2772 fps	•••

•••	2.800"	—	2540 fps	•••
•••	2.800"	—	2763 fps	•••

•••	2.800"	—	2712 fps	•••

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