Quick Answer
Lead-free bullets are effective for varmint hunting, offering good expansion and penetration, although some may have a slightly higher cost and heavier recoil than traditional lead bullets.
Effective Expansion
Lead-free bullets have come a long way in recent years, offering reliable expansion and penetration for varmint hunting. For example, the Barnes TSX bullets, made from a copper-tungsten composite, expand to 1.5-2 times their original diameter upon impact, creating a large wound channel. This is especially effective for hunting small game like prairie dogs and coyotes, where a clean kill is essential.
Reliability in Various Cartridges
Lead-free bullets are suitable for a range of cartridges, from flat-shooting .223 Remington to the .308 Winchester. In the .223 Remington, for instance, the Sierra GameKing HPBT (Hollow Point Boat Tail) is a reliable choice, offering consistent expansion and deep penetration. The .308 Winchester can utilize the Hornady V-Max, which features a sleek, polymer tip that enhances expansion and reduces drag.
Importance of Bullet Weight and Type
When selecting lead-free bullets for varmint hunting, it’s essential to consider the weight and type of bullet. A general rule of thumb is to choose a bullet with a weight between 55-75 grains for the .223 Remington, while the .308 Winchester can handle bullets in the 110-140 grain range. A heavier bullet may be more effective for larger varmints, but may also increase recoil and reduce velocity.
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