The last evolution was to use a small metallic cap filled with a shock sensitive explosive compound that would ignite with a hammer strike. The source of ignition could be a burning slow match (matchlock) placed onto a touch hole, a piece of pyrite (wheellock)/flint (flintlock) striking a steel frizzen, or a shock-sensitive brass or copper percussion cap (caplock) placed over a conical-shaped cone piece with a hollow pipe to create sparks.
But despite their apparent long-term use on rifle barrels, around 1928 the month codes on ammo boxes started changing significantly – BLACKPOWDERX was history.
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Featuring our new and improved rimfire technology, each round offers Premier high performance in your gun and on target.
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Naime, kako PVC stolarija ima stopostotno dihtovanje, nakon kraćeg vremena se potroši zrak u stanu te dolazi do stvaranja potpritiska i mogućeg povrata produkata sagorijevanja.
However, this big leap forward came at a price: it introduced an extra component into each round—the cartridge case—which had to be removed before the gun could be reloaded. While a flintlock, for example, is immediately ready to reload once it has been fired, adopting brass cartridge cases brought in the problems of extraction and ejection. The mechanism of a modern gun must not only load and fire the piece but also provide a method of removing the spent case, which might require just as many added moving parts.
Some cartridges, like the .470 Capstick, have what is known as a "ghost shoulder" which has a very slightly protruding shoulder, and can be viewed as a something between a bottleneck and straight-walled case. A ghost shoulder, rather than a continuous taper on the case wall, helps the cartridge to line up concentrically with the bore axis, contributing to accuracy. The front opening of the case neck, which receives and fastens the bullet via crimping, is known as the case mouth.
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Svim kupcima, prije početka sezone grijanja dostavlja se brošura 'Upute korisnicima prirodnog gasa' koja sadrži sve potrebne smjernice o održavanju unutrašnjih gasnih instalacija.
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Svaka promjena (na primjer naknadna ugradnja zaptivača na prozorima i vratima, ugradnja odisnih uređaja kao što je kuhinjska napa ili sušilica veša, izmjena prozora) se smije izvesti samo uz saglasnost preduzeća za kontrolu sistema za odvod produkata sagorijevanja (dimnjačarska preduzeća, ovlašteni serviseri gasnih trošila) ili ugovornog izvođača.