Projectile for ammunition of large-caliber firearms
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Fire-arm of the rocking, large bore double-barrelled type
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Large caliber overlocking double-layer cannon firearms with 3rd stripe canon.
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Connector for interchangeable firearm barrel - has screw attachment to existing barrel, with elongate push rod connecting existing hammer to firing pin of additional barrel
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Hunting ammunition with a subcalibre round ball without any guiding case
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Under-calibrated round ball hunting without guide cover
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Heavy-calibre double-barrelled gun
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Double large caliber launcher with tilting cannons
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Extension relay for interchangeable multi-caliber cannons