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CALCULATED DATA - USE AS GUIDELINE ONLY

DATA: 

Caliber 7mm, 284, 280 USA spec
Weight 120gr / 7.778g
Primary Application General hunting to 500m
Bullet Length 31.34mm / 1.234"
Nose Length 18mm / 0.709"
Minimum Impact Speed 1600fps
Stability Factor at Speed
1.5 3500fps
1 1200fps
Recommended Twist Rate 1:9" / 228.6mm
Slowest Twist Recommended 1:9.5" / 241.3mm
Max Range - Sea Level 1000m
Max Range - 2500m Elevation 1350m
G1 BC at Speed
0.437 3200fps
0.464 3800fps
CIP / SAAMI Specification
Bore Diameter 7.04mm
Groove Diameter 7.21mm
Twist Rate N/A

Use this bullet in USA based 7mm calibres such as the 7-08, 7mm Magnums and the 280 and 284 calibres..  It is not suitable for use in European based 7mm calibres such as the 7x57 and 7x64. The bullet will expand at impact speeds as low as 1600fps and will still give excellent weight retention at speeds as high as 3900fps.

It is a general hunting bullet for rifles with a barrel twist rate from 1:8.75" to 1:9.5" and is useful for distances ranging from very close to 500m.  Game with a live weight up to 350kg can be taken with this bullet. It is not a long range bullet and for regular hunting in the 400m plus range, the 284116HV bullet should be considered.

Rifles with tighter twist rates than 1:9" should use the 284130HV bulet. 

Sea Level 3200fps

2500m Elevation 3200fps
Sea Level 3800fps 2500m Elevation 3800fps

 

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