Could the use of 'adapters' which fit into the chamber and swapping of the bolt, extractor and other parts allow firearms to use different calibers as long as the new cartridge is
7.62x25 Rifle Chamber Insert - 180308, Gunsmithing at Sportsman's Guide
7.62x54 Russian to 32ACP Rifle Adapter - Chamber Reducer - Stainless
7.62x54 Russian to 32ACP Rifle Adapter - Chamber Reducer - Stainless
30-06 to 32ACP Rifle Adapter - Chamber Reducer - Stainless
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7.62x54 Russian to 32ACP Rifle Adapter - Chamber Reducer - Stainless
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30-30 chamber adapter i made from a steel case 7.62x54r : r/MosinNagant
7.62x54 Russian to 32ACP Rifle Adapter - Chamber Reducer - Stainless
7.62x54 Russian to 32ACP Rifle Adapter - Chamber Reducer - Stainless
improvised 30-30 to 7.62x54r chamber adapter FAIL - YouTube
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7.62x25 insert for 7.62 x54r chamber | Gun and Game Forum
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Z.P.V. Proizvodnja 7.62x54R Headspace Gauge Set GO and NO-GO
Can you fire a .308 round in a rifle manufactured to fire 30-06 cartridges without damaging the gun? - Quora
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