1873 Springfield 45-70 Trapdoor Carbine Sight base with smooth head screw\'s

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1873 Springfield 45-70 Trapdoor Carbine Sight base with smooth head screw\'s:
$26.99

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Springfield model 1879 carbine rear sight base with smooth head screw\'s. Missing ladder. I am told it\'s a model 1879 but please look at the pictures as I am not an expert.

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1873 Springfield 45-70 Trapdoor Carbine Sight base with smooth head screw\'s:
$26.99