I am very glad that you like my work. Thanks for kind words about my sons.
This knife is gift from a Bulgarian master of knives, which is also a hunter like me. The handle is stabilized burl willow.
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Shells ... I'll be easier this way:
1. M230 Chain Gun ---( AH-64 Apache) http://en.wikipedia..../M230_Chain_Gun
2. Gryazev-Shipunov GSh-23 ---(Old Russian aircraft cannons) http://ru.wikipedia....%D0%93%D0%A8-23
3. .50 Browning Machine Gun (.50 BMG) --- http://en.wikipedia.org/wiki/.50_BMG
All other - guns, automatic rifles, carbines...(All are empty and secured)
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Once again thank you and good luck to all!
Regards!