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257 Roberts Ackley Improved - 120 Grain

Caliber
Diameter
Weight & Style
Ballistic Coefficient
Sectional Density
Part #
204 Ruger
22 Hornet
221 Remington Fireball
222 Remington
222 Remington Magnum
223 Remington & 5.56x45 NATO
22 PPC-USA
22 BR Remington
225 Winchester
22-250 Remington
22-250 Remington Ackley Improved
220 Swift
223 Winchester Super Short Magnum
22 Hornet Handgun
221 Remington Fireball Handgun
223 Remington Handgun
22 BR Remington Handgun
6mm PPC-USA
6mm BR Remington
243 Winchester
243 Winchester Super Short Magnum
6mm Remington
240 Weatherby Magnum
6mm TCU Handgun
6mm BR Remington Handgun
250 Savage
257 Roberts
257 Roberts Ackley Improved
25 Winchester Super Short Magnum
25-06 Remington
257 Weatherby Magnum
6.5x55mm Swedish Mauser
260 Remington
6.5mm-284 Norma
6.5mm-06
6.5 Remington Magnum
264 Winchester Magnum
6.5mm BR Remington Handgun
270 Winchester
270 Winchester Short Magnum
270 Weatherby Magnum
7mm-08 Remington
7x57mm Mauser
284 Winchester
280 Remington
280 Remington Ackley Improved
7mm Remington Short Action Ultra Magnum
7mm Winchester Short Magnum
7mm Remington Magnum
7mm Weatherby Magnum
7mm Shooting Times Westerner
7mm Remington Ultra Magnum
7mm TCU Handgun
7mm BR Remington Handgun
7mm IHMSA Handgun
7-30 Waters Handgun
7mm-08 Remington Handgun
30-30 Winchester
300 Savage
308 Winchester
30-06 Springfield
30-06 Springfield Ackley Improved
300 H&H Magnum
300 Winchester Magnum
300 Winchester Short Magnum
300 Remington Short Action Ultra Magnum
300 Remington Ultra Magnum
300 Weatherby Magnum
30-378 Weatherby Magnum
30-30 Winchester Handgun
308 Winchester Handgun
8x57 JS Mauser
8mm-06
325 Winchester Short Magnum
8mm Remington Magnum
338 Federal
338-06 A-Square
338 Winchester Magnum
330 Dakota
340 Weatherby Magnum
338 Lapua Magnum
338 Remington Ultra Magnum
338-378 Weatherby Magnum
380 Auto (ACP) Handgun
9mm Luger (Parabellum) Handgun
357 Sig Handgun
357 Magnum Handgun
357 Rem Max Handgun
38 Special Handgun
358 Winchester
35 Whelen
350 Remington Magnum
358 Shooting Times Alaskan
9.3x62mm Mauser
9.3x74Rmm
9.3x64mm Brenneke
375 H&H Magnum
375 Ruger
378 Weatherby Magnum
375 Remington Ultra Magnum
40 S&W Handgun
10mm Auto Handgun
41 Remington Magnum Handgun
416 Remington Magnum
416 Rigby
416 Weatherby Magnum
44 Remington Magnum Rifle
44 Special
44 Remington Magnum Handgun
444 Marlin
45-70
450 Marlin
45 ACP
45 Colt Handgun
45 Colt (Ruger) Handgun
454 Casull
25
.257"
120Gr. Spitzer
0.391
0.260
OAL 1.175
35643
Case Type:
Cart. Max. OAL:
Primer Type:
Barrel Length/Make:
Barrel Twist:
Winchester
2.780"
Fed.210
24" Wiseman
1-10"
Powder Type:
Powder Charge Grains
Muzzle Velocity:
F.P.S. / M.P.S. (Feet Per Second / Meters Per Second)
Load Density: (Volume)
H380
Max. 43.0
41.0
39.0*
2798 / 852
2673 / 814
2548 / 776
80%
76%
73%
RL22
Max. 47.5*
45.5
43.5
2847 / 867
2732 / 832
2617 / 797
91%
87%
84%
IMR7828
Max. 50.5*
48.5
46.5
2858 / 871
2723 / 829
2588 / 788
95%
91%
87%
IMR4350
Max. 45.5
43.5
41.5*
2858 / 871
2743 / 836
2628 / 801
85%
81%
78%
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