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.45-70 Government

Test barrel: 560 mm (22”), 1 in 20” twist
Primers: Large Rifle
Cases: Remington, trim-to length 53,30 mm (2.098”)

Bullet Powder Starting load Maximum load
Weight Type Mfg C.O.L Type Weight Velocity Weight Velocity
[g] [grs]     [mm] [in.]   [g] [grs] [m/s] [fps] [g] [grs] [m/s] [fps]
19,4 300 FN HP Sierra 64,7 2,547 N120 2,95 45.5 579 1900 3,25 50.2 651 2136
            N130 3,38 52.2 609 1998 3,70 57.1 686 2251
            N530 3,65 56.3 596 1955 3,90 60.2 652 2139
19,4 300 XFN Barnes 64,8 2.551 N130 3,10 47.8 547 1795 3,37 52.0 602 1975
19,4 300 TSX FN Barnes 64,7 2,547 N120 2,45 37.8 502 1647 2,91 44.9 594 1949
            N530 3,02 46.6 460 1509 3,40 52.5 569 1867
22,7 350 RN Hornady 64,7 2.547 N130 3,11 48.0 522 1713 3,46 53.4 614 2014
            N133 3,26 50.3 507 1663 3,72 57.4 621 2037
            N530 3,45 53.2 509 1670 3,82 58.9 606 1988
25,9 400 FN Speer 64,7 2.547 N130 2,90 44.7 489 1604 3,22 49.7 559 1834
            N133 3,06 47.2 485 1591 3,40 52.5 574 1883
            N530 3,20 49.4 478 1568 3,52 54.3 568 1864
33,1 510 LFN w/ gas Gunhill 64,7 2.547 N120 *) 1,70 26.2 360 1181 1,90 29.3 408 1339
            N130 *) 2,00 30.9 389 1276 2,30 35.5 495 1624

WARNING: These loads are to be used only in modern rifles like Ruger #1 or .45-70’s chambered on Mauser type bolt actions. They MUST NOT be used in old rifles with weaker actions like Trapdoor and old Marlin mod. 1895. The listed maximum loads do not exceed 210 MPa.

*) Cowboy Action Shooting load

LIGHT GREY TEXT BOX INDICATES MAXIMUM LOAD - USE WITH CAUTION!
LOADS LESS THAN MINIMUM CHARGES SHOWN ARE NOT RECOMMENDED

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