Stock and kit for accommodating mounting on a plurality of different firearms

  • US 6,374,528 B1
  • Filed: 02/23/2000
  • Issued: 04/23/2002
  • Est. Priority Date: 02/23/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. An adapter kit for mounting a stock on a firearm receiver, the receiver including a trigger and a rear surface having any one of a plurality of different configurations disposed to the rear of the trigger, the kit comprising:

  • at least one of a rear stock and a fore-stock;

    each rear stock, if any, including a forward portion having a predetermined configuration and having associated therewith at least one front adapter including a rearward portion conforming to the stock forward portion predetermined configuration and a forward portion conforming to an associated one of the plurality of different receiver configurations, such that, when the rear stock is disposed with the stock for ward portion adjacent the rearward portion of the adapter, and the adapter forward portion is disposed adjacent the rear surface of a receiver of the configuration associated with the adapter, the relative disposition of the rear stock and receiver is in accordance with predetermined design parameters;

    each fore-stock, if any, including a forward portion having a predetermined configuration and a rear portion having a predetermined configuration, and at least one set of front and rear fore stock adapters, the front fore stock adapter including a rearward portion conforming to the fore stock forward portion predetermined configuration and a forward portion conforming to an associated one of the plurality of different receiver configurations, and the rear fore stock adapter including a forward portion conforming to the fore stock rear portion predetermined configuration and a rearward portion conforming to the associated receiver configuration;

    wherein the kit includes the rear stock and, wherein the plurality of different receiver rear surface configurations include;

    a first configuration, including;

    a generally flat rear surface disposed a first predetermined distance rearward of the receiver trigger, the rear surface having a first predetermined peripheral shape, a recess, an outward going projection, and a receptacle disposed a first predetermined downward distance from the top of the rear surface; and

    a elongated fastener configured for engagement in the receptacle, for securing a stock to the receiver, the elongated fastener, when sufficiently engaged to secure the receiver to the stock, having a first predetermined extension to the rear of the receiver rear surface;

    a second configuration including;

    a rear surface comprising two generally planar surfaces angling forward from the top and bottom to intersect along a line, the top and bottom disposed a second predetermined distance rearward of the receiver trigger, the second predetermined distance being no greater than the first predetermined distance, the rear surface having a second predetermined peripheral shape and a receptacle disposed a second predetermined downward distance from the top of the rear surface;

    a elongated fastener, configured for engagement in the receptacle, for securing a stock to the receiver, the elongated fastener, when sufficiently engaged to secure the receiver to the stock, having a second predetermined extension to the rear of the receiver rear surface, the second predetermined extension being greater than the first predetermined extension; and

    a third configuration including;

    a generally flat rear surface disposed a third predetermined distance rearward of the receiver trigger, the third predetermined distance being no greater than the first predetermined distance, the rear surface having a third predetermined peripheral shape, a recess, an outward going projection, and a receptacle disposed a third predetermined downward distance from the top of the rear surface; and

    a elongated fastener configured for engagement in the receptacle, for securing a stock to the receiver, the elongated fastener, when sufficiently engaged to secure the receiver to the stock, having a third predetermined extension to the rear of the receiver rear surface;

    the third predetermined extension being greater than the second predetermined extension.

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