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WEAPON CONVERSION BOLT ASSEMBLY DEVICE

  • US 3,776,095 A
  • Filed: 11/05/1971
  • Issued: 12/04/1973
  • Est. Priority Date: 11/05/1971
  • Status: Expired due to Term
First Claim
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1. A bolt assembly for converting a firearm for firing cartridges of a first caliber to the firing of cartridges of a second caliber by merely replacing the bolt of the firearm, wherein the firearm is of the type having a receiver, said assembly comprising a tube of resilient material having a flattened side and being insertable in the receiver, a first longitudinal slot in said flattened side extending substantially the length of said tube, the edges of said slot forming a bolt guide, a bolt slidably positioned in said tube and having a projection extending through said slot, plate means on said projection external of said tube, said bolt and plate means forming a pair of opposed slots guided by said bolt guide, a second longitudinal slot in the side of said tube opposite said flattened side and extending substantially the length of said tube, a back plate affixed in one end of said tube, whereby said tube forms a U-shaped spring, a chamber barrel member, means for releasably holding said chamber barrel member in the other end Of said tube, said chamber barrel comprising means for receiving cartridges of the second caliber, said assembly being adapted for fitting into the receiver of the firearm.

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