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Buffalo Bore .45-70 Government 350gr JFN Ammo
.45-70 Government • Buffalo Bore

Buffalo Bore .45-70 Government 350gr JFN Ammo Ballistics

Brass Case • JFN

Best Price
$4.92/rd
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2145
FPS
3578
FT-LBS
.25
BC (G1)
350
GRAINS
JFN
BULLET
BRS
CASING

Trajectory by Zero Distance

Solved from this product's advertised 2145 fps, 350gr bullet and G1 BC 0.250, with the sight 1.5" over the bore at standard conditions. Compare every zero for .45-70 Government.

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How to read it: filled circles are the near and far zero, where the bullet's path crosses the line of sight;the triangle is the peak (max ordinate). The shaded band is the 8" vital zone, ±4" either side of the line of sight. The dashed line marks the edge of the hold-dead-on window. The chart is zoomed to where the zero matters; the tables below run to 400 yards.

.45-70 Government 350gr with a 100-yard zero

Zeroed at 100 yards with a 1.5" sight height, this load crosses the line of sight at 35 and 100 yards, peaks +0.5" at 68 yards, and is -8.9" at 200 and -32.0" at 300 yards.

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Buffalo Bore .45-70 Government 350gr JFN Ammo, 100-yard zero, 1.5" sight height over bore
Range (yd) Drop (in) Drop (MOA) Drop (MIL) Velocity (fps) Energy (ft-lb) Wind drift, 10 mph (in)
0 -1.5" 0.00 0.00 2,145 3,577 0.0
25 -0.3" -1.18 -0.34 2,066 3,317 0.2
50 +0.4" +0.68 +0.20 1,989 3,074 0.5
75 +0.5" +0.61 +0.18 1,913 2,846 1.1
100 +0.0" +0.01 0.00 1,840 2,632 2.0
125 -1.1" -0.85 -0.25 1,768 2,431 3.2
150 -2.9" -1.86 -0.54 1,699 2,244 4.6
175 -5.5" -2.99 -0.87 1,632 2,070 6.4
200 -8.9" -4.23 -1.23 1,567 1,909 8.5
225 -13.1" -5.57 -1.62 1,505 1,760 11.0
250 -18.3" -7.00 -2.04 1,445 1,623 13.8
275 -24.6" -8.54 -2.48 1,388 1,497 16.9
300 -32.0" -10.18 -2.96 1,334 1,383 20.5
325 -40.6" -11.93 -3.47 1,283 1,280 24.4
350 -50.5" -13.78 -4.01 1,236 1,188 28.8
375 -61.9" -15.75 -4.58 1,193 1,107 33.5
400 -74.8" -17.84 -5.19 1,154 1,035 38.6

350gr G1 .250 at 2,145 fps, 1.5" sight height over bore, standard conditions (59°F, sea level), 10 mph full-value crosswind. Positive drop is above the line of sight. Source: Manufacturer's advertised velocity and BC.

.45-70 Government 350gr with a 150-yard zero

Zeroed at 150 yards with a 1.5" sight height, this load crosses the line of sight at 22 and 150 yards, peaks +2.0" at 88 yards, and is -5.0" at 200 and -26.2" at 300 yards.

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Buffalo Bore .45-70 Government 350gr JFN Ammo, 150-yard zero, 1.5" sight height over bore
Range (yd) Drop (in) Drop (MOA) Drop (MIL) Velocity (fps) Energy (ft-lb) Wind drift, 10 mph (in)
0 -1.5" 0.00 0.00 2,145 3,577 0.0
25 +0.2" +0.68 +0.20 2,066 3,317 0.2
50 +1.3" +2.54 +0.74 1,989 3,074 0.5
75 +1.9" +2.47 +0.72 1,913 2,846 1.1
100 +2.0" +1.86 +0.54 1,840 2,632 2.0
125 +1.3" +1.01 +0.29 1,768 2,431 3.2
150 0.0" 0.00 0.00 1,699 2,244 4.6
175 -2.1" -1.13 -0.33 1,632 2,070 6.4
200 -5.0" -2.37 -0.69 1,567 1,909 8.5
225 -8.7" -3.71 -1.08 1,505 1,760 11.0
250 -13.5" -5.14 -1.50 1,445 1,623 13.8
275 -19.3" -6.68 -1.94 1,388 1,497 16.9
300 -26.2" -8.32 -2.42 1,334 1,383 20.5
325 -34.3" -10.07 -2.93 1,283 1,280 24.4
350 -43.7" -11.93 -3.47 1,236 1,188 28.8
375 -54.6" -13.90 -4.04 1,193 1,107 33.5
400 -67.0" -15.99 -4.65 1,154 1,035 38.6

350gr G1 .250 at 2,145 fps, 1.5" sight height over bore, standard conditions (59°F, sea level), 10 mph full-value crosswind. Positive drop is above the line of sight. Source: Manufacturer's advertised velocity and BC.

.45-70 Government 350gr with a 200-yard zero

Zeroed at 200 yards with a 1.5" sight height, this load crosses the line of sight at 16 and 200 yards, peaks +4.5" at 112 yards, and is +0.0" at 200 and -18.7" at 300 yards.

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Buffalo Bore .45-70 Government 350gr JFN Ammo, 200-yard zero, 1.5" sight height over bore
Range (yd) Drop (in) Drop (MOA) Drop (MIL) Velocity (fps) Energy (ft-lb) Wind drift, 10 mph (in)
0 -1.5" 0.00 0.00 2,145 3,577 0.0
25 +0.8" +3.05 +0.89 2,066 3,317 0.2
50 +2.6" +4.91 +1.43 1,989 3,074 0.5
75 +3.8" +4.84 +1.41 1,913 2,846 1.1
100 +4.4" +4.24 +1.23 1,840 2,632 2.0
125 +4.4" +3.38 +0.98 1,768 2,431 3.2
150 +3.7" +2.37 +0.69 1,699 2,244 4.6
175 +2.3" +1.24 +0.36 1,632 2,070 6.4
200 +0.0" 0.00 0.00 1,567 1,909 8.5
225 -3.2" -1.34 -0.39 1,505 1,760 11.0
250 -7.3" -2.77 -0.81 1,445 1,623 13.8
275 -12.4" -4.31 -1.25 1,388 1,497 16.9
300 -18.7" -5.95 -1.73 1,334 1,383 20.5
325 -26.2" -7.70 -2.24 1,283 1,280 24.4
350 -35.0" -9.55 -2.78 1,236 1,188 28.8
375 -45.3" -11.53 -3.35 1,193 1,107 33.5
400 -57.1" -13.61 -3.96 1,154 1,035 38.6

350gr G1 .250 at 2,145 fps, 1.5" sight height over bore, standard conditions (59°F, sea level), 10 mph full-value crosswind. Positive drop is above the line of sight. Source: Manufacturer's advertised velocity and BC.

Product Overview

Buffalo Bore calls this 350-grain JFN its most versatile .45-70 load and markets it for dangerous game and for smaller game too. JFN stands for jacketed flat nose: a jacketed bullet with a flat tip. It leaves the muzzle at 2,145 fps with 3,578 ft-lbs of energy, the speed Buffalo Bore measured from a lever gun with a 22-inch barrel. Buffalo Bore warns that the round will chamber in any .45-70 but is not safe in every one: use it only in the modern rifles Buffalo Bore lists, and never in an original or reproduction Trapdoor.

Compared with Underwood's +P 325-grain Xtreme Hunter, the Buffalo Bore carries a bullet 25 grains heavier but leaves the muzzle 130 fps slower, with 158 ft-lbs less energy. It also kicks about 9 percent harder in the same rifle. Compared with Hornady's 325-grain LEVERevolution FTX, the Buffalo Bore leaves the muzzle 145 fps faster and carries 692 ft-lbs more energy, while the Hornady kicks about 19 percent less.

Buy the Buffalo Bore if your rifle is on Buffalo Bore's list and you want one 350-grain load for both dangerous game and smaller game. Pick Underwood's +P 325-grain Xtreme Hunter if you want more speed from a lighter bullet with a little less recoil; Underwood says it is not for antique rifles such as Trapdoor Springfields. Pick Hornady's 325-grain LEVERevolution FTX if you want a softer-kicking load that Hornady markets for large game. Pick Federal's 300-grain HammerDown, which Federal builds for lever guns, if recoil matters most: it kicks about 36 percent less in the same rifle.

Strengths
  • Leaves the muzzle 295 fps faster than Federal's 300-grain HammerDown while carrying a 50-grain heavier bullet
  • Buffalo Bore measured 2,060 fps from an 18.5-inch barrel, only 85 fps below its 22-inch figure
  • Buffalo Bore markets one load for both dangerous game and smaller game
Limitations
  • Buffalo Bore says it is not safe in every .45-70 and must never be fired in any original or reproduction Trapdoor
  • Kicks about 56 percent more than Federal's 300-grain HammerDown in the same rifle
  • Kicks about 9 percent more than Underwood's +P 325-grain Xtreme Hunter in the same rifle, yet leaves the muzzle slower

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Price History

Average price across all tracked dealers
$4.92/rd
↑ $0.00 (0.0%) in the last 30D
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