Inventor:Gorman; Richard M.
No. of patents:1
||Title Of Patent
||Progressive ratchet rifling in a full gain twist
||January 5, 1982|
|Rifling in a gunbarrel accelerates in spiral from a relatively bore-parallel beginning and has a groove surface which in cross-section progressively rotates concurrently with the acceleration in spiral starting from a circumferential shape bounding rectangular lands to an incline mer|