Sierra 6.5mm (.264) Cal 142 Gr. HPBT Bullets
The 6.5mm/.264 inch bore has recently enjoyed a resurgence of interest. Several rifle manufacturers currently produce 6.5x55mm sporters, exposing a new generation of shooters to this famous old Scandinavian service and hunting cartridge. Competitive HighPower and Silhouette shooters have also shown great interest in the 6.5mm bore size.
The 142 grain #1742 bullet has a longer ogive radius than the 140 grain #1740 bullet and thus a higher ballistic coefficient with less sensitivity to crosswinds.
While they are recognized around the world for record-setting accuracy, MatchKing and Tipped MatchKing bullets are not recommended for most hunting applications. Although MatchKing and Tipped MatchKing bullets are commonly used for varmint hunting, their heavier jackets will not provide the same reliable explosive expansion at equivalent velocities in varmints compared to their lightly jacketed Hornet, Blitz or Varminter counterparts.
This bullet requires a barrel twist rate of 1x8" or faster.
|Dia. (inches)||Weight (grains)||Sectional Density||Ballistic Coefficients and Velocity Ranges|
|0.264||142||.291||.595 @ 2850 fps and above|
|.580 between 2850 and 2400 fps|
|.575 between 2400 and 2050 fps|
|.550 @ 2050 and below|
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