Lapua Signum rimfire ammunition features a unique bullet design that has better lubricity, ultimately increasing the overall velocity of the round.
The Lapua Signum is the first .22 caliber cartridge that can offer the shooter similar additional
properties as those that have been obtained with the coated bullets of centerfire calibers.
The cartridge s lubricant decreases the friction caused by the bullet to the rifling, especially at the initial phase of the shot. The 2.59 g (40 gr) bullet also rotates evenly through the rifling
and its tail remains symmetric.
Best of all, Lapua Signum s superior internal ballistics ensures that the external ballistic
properties of the bullet can be retained without compromising quality.
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Features and Benefits:
bullet tip with specially designed, symmetrical lubrication grooves
longitudinal and crosswise grooves for even lubrication of the inside wall of the barrel
about 50 %more lubricant than conventional lead bullets
longer active lubrication area works as early as the barrel throat
optimal lubrication diminishes temperature and humidity effects of surrounding air
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Specs:
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