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.458" 450gr FN
 
Bullet Number Bore Diameter Groove Diameter Suitable for Calibers (Subject to twist)
458450FN049 11.43mm .450" 11.63mm .458" 450 Rigby, 458 Lott, 458Win Mag, 45Blaser,460Wea Mag, 450 Watts Mag.
Length Nose Length Weight
34.2mm 1.34" 15.8mm .62" 450gr 29.16g
Speed 823m/s 2700fps 594m/s 1950fps 366m/s 1200fps Min Impact Speed
BC .149 .173 .275 488m/s 1600fps
Guidelines for Stability Factor and Twist Rate:

Choose a bullet length best suited to your rifle twist and type of hunting.

Note that S/F increases as twist tightens.  A 1:10" twist is tighter than a 1:12" twist.

Close range dangerous game hunting

A stability factor (s/f) greater than 2.0 is required. A s/f of 2.5 is desirable for faster calibers. With FN bullets there is no upper limit to the s/f. If this bullet does not meet the requirement, use a shorter bullet.

On the chart to the right:

1. Select the twist rate of your rifle on the horizontal axis and read the S/F on the vertical axis.

2. Use the guidelines above to determine suitability for your application.

3. Check the caliber list for your caliber.

 


GS Custom Bullets, situated in Port Elizabeth on the East Coast of South Africa, manufactures solid copper, turned, monolithic bullets for hunting and sport shooting. These bullets are used by hunters on several continents, hunting from the smallest of antelope to the largest of dangerous game, using the smooth HP bullet, as well as the more popular HV, FN and SP bullets with the patented drive band concept. GSC bullets are configured for the highest possible ballistic coefficients. SP bullets are mainly used for sport shooting. All GS Custom Bullets are moly coated.

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