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.257 Weath. Mag. + .257 | 95gr | Hammer HHT + IMR 4831

257 Weatherby Magnum MkV Ultra Light

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Author

10/15/24

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Caliber

.257 Weath. Mag.

Case Capacity (GoW)

Case Length

2.549" | 64.7mm

Cartridge Length / C.O.L.

<<locked>>

Powder

IMR 4831

Powder Charge

<<locked>>

Primer

Large Rifle Magnum (LRM)

Bullet

.257 | 95gr | Hammer HHT

Bullet Weight

95 gr | 6.2 g

Bullet Length (Inch)

1.143" | 29.0 mm

Brass / Cartridge

Velocity

1073 m/s | 3520 fps

Shooting results / spread

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Entry generated from Loads Page - Caliber: .257 Weath. Mag., Bullet: .257 | 95gr | Hammer HHT, Primer Size: Large Rifle Magnum (LRM), Suitable Twist Rates: IMR 4831 - 63.9gr, Comment: FR | maxP | % | v | z: 95% | 63251 | 99% | 3520 | 100%

(For printing out and taking notes on range)

Temperature:
Wind:
Distance:
Notes:
Shot #
FPS | m/s
Shot #
FPS | m/s
01
06
02
07
03
08
04
09
05
10
257 Weatherby Magnum MkV Ultra Light
257 WBY
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Barrel Length
26
Barrel Twist Rate

Sight Height
1.5
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Descripion
Descripion
Descripion
Weapon
Primer
Powder
Velocity V0 (fps)
Velcity V0 (m/s)
Charge (Grain)
Charge (g)
C.O.L. (Inch)
C.O.L. (mm)
Case Length (Inch)
Case Length (mm)
Case Capacity
Description
Spread of shots (Inch)
Spread of shots (mm)
Brass / Cartridge
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Shot #	FPS \| m/s	Shot #	FPS \| m/s
01		06
02		07
03		08
04		09
05		10