Lead attached sabot slug
View Patent ↗A sabot and a firearm round for a firearm. The sabot includes a compression section defining a payload receiving chamber. The payload chamber receives a slug to form the firearm round. Additionally, the sabot includes a solid section connected to the compression section. The solid section can include a powder cup section for sealing ignition gasses. Typically, the sabot is formed from a high density polyethylene.
1. A sabot having a longitudinal axis, comprising:
a compression section defining a payload receiving chamber at a forward end of the sabot for receiving a slug therein, the compression section including a plurality of fins defined by a combination of alternating ridges on an interior and an exterior surface thereof, wherein the ridges are spaced from one another along the longitudinal axis; and
a solid section extending rearwardly from the compression section;
wherein the compression section is adapted to at least partially collapse along a direction of the longitudinal axis upon firing while remaining substantially intact to produce a volume change.
2. The sabot of claim 1 , wherein the compression section further includes a locking ring mounted within the payload receiving chamber for engaging the slug.
3. The sabot of claim 2 , wherein the locking ring is adjacent to a front edge of the sabot.
4. The sabot of claim 1 , wherein the payload receiving chamber further includes a post extending from the solid section toward a forward portion of the sabot.
5. The sabot of claim 1 , wherein the solid section includes a powder cup section formed opposite the compression section at a rear portion of the sabot.
6. The sabot of claim 1 , wherein the sabot is axisymmetric about the longitudinal axis.
7. The sabot of claim 1 , wherein the sabot is polymeric.
8. The sabot of claim 7 , wherein the sabot comprises a high density polyethylene.
9. A firearm round having a longitudinal axis comprising:
a sabot including a compression section defining a payload receiving chamber therein and a solid section connected to the compression section, said compression section including a plurality of alternating ridges on an interior and an exterior surface thereof, wherein the ridges are spaced from one another alone the longitudinal axis; and
a slug received within the payload receiving chamber of the sabot;
wherein the compression section is adapted to at least partially collapse along a direction of the longitudinal axis upon firing to produce a volume change.
10. The firearm round of claim 9 , wherein the slug comprises a nose, a driving band adjacent the nose and a stem connected to the driving band, and wherein the driving band is adapted to engage rifling of a barrel of a rifled firearm.
11. The firearm round of claim 10 , wherein the nose of the slug includes a nose cavity.
12. The firearm round of claim 10 , wherein the stem of the slug includes a post cavity.
13. The firearm round of claim 12 , wherein the payload receiving chamber of the sabot includes a post fitted within the post cavity of the slug.
14. The firearm round of claim 10 , wherein the driving band includes a length less than about 25% of an overall diameter of the firearm round.
15. The firearm round of claim 10 , wherein the stem has a diameter less than a diameter of the driving band.
16. The firearm round of claim 9 , wherein the slug comprises at least about 95% by weight lead.
17. The firearm round of claim 16 , wherein the slug further comprises antimony.
18. The firearm round of claim 9 , wherein the slug is plated or jacketed.
19. The firearm round of claim 9 , wherein the compression section of the sabot further comprises a locking ring mounted within the payload receiving chamber so as to engage the slug.
20. The firearm round of claim 9 , wherein the solid section of the sabot includes a powder cup.
21. The firearm round of claim 9 , wherein the sabot is axisymmetric about the longitudinal axis.
22. The firearm round of claim 9 , wherein the sabot has a front and a rear, the slug abutting a front edge of the front of the sabot.
23. The firearm round of claim 22 , wherein the compression section of the sabot further comprises a locking ring adjacent the front edge of the sabot, the locking ring abutting a stem of the slug.
24. The firearm round of claim 23 , wherein the slug comprises a driving band abutting the front edge of the front of the sabot, and a nose extending forwardly from the front edge, and wherein the driving band is adapted to engage rifling of a barrel of a rifled firearm.
25. The firearm round of claim 24 , wherein the driving band includes a length less than about 25% of an overall diameter of the firearm round.
26. The firearm round of claim 24 , wherein the stem has a diameter less than a diameter of the driving band.
27. The firearm round of claim 22 , wherein the sabot is polymeric.
28. The firearm round of claim 27 , wherein the sabot comprises a high density polyethylene.
29. A sabot having a longitudinal axis, comprising:
a compression section defining a payload receiving chamber therein, said compression section including a plurality of fins defined by a combination of alternating internal and external ridges on an interior surface and exterior surface thereof, wherein the ridges are spaced from one another along the longitudinal axis;
a post integrally formed within the payload receiving chamber;
a locking ring residing within the payload receiving chamber; and
a solid section connected to the compression section;
wherein said compression section is adapted to at least partially collapse along a direction of the longitudinal axis upon firing, while remaining substantially intact, to produce a volume change.
30. The sabot of claim 29 , wherein the solid section includes a powder cup section.
31. The sabot of claim 29 , wherein the sabot comprises a high-density polyethylene, low-density polyethylene, linear, high-density polyethylene, and combinations thereof.
32. The sabot of claim 29 , and further comprising a projectile received within the payload receiving chamber and extending forwardly from the compression section.
33. The sabot of claim 32 , wherein the sabot is axisymmetric about the longitudinal axis.
34. The sabot of claim 32 , wherein the sabot has a front and a rear, the projectile abutting a front edge of the front of the sabot.
35. The sabot of claim 34 , wherein the locking ring abuts a stern of the projectile.
36. The sabot of claim 35 , wherein the projectile comprises a driving band abutting the front edge of the front of the sabot, and a nose extending forwardly from the front edge, and wherein the driving band is adapted to engage rifling of a barrel of a rifled firearm.
37. The sabot of claim 36 , wherein the driving band includes a length less than about 25% of an overall diameter of the firearm round.
38. The sabot of claim 36 , wherein the stem has a diameter less than a diameter of the driving band.
39. The sabot of claim 34 , wherein the sabot is polymeric.
40. A firearm round having a longitudinal axis, comprising:
a sabot including a compression section defining a payload receiving chamber therein, said compression section including a plurality of fins defined by a combination of alternating internal and external ridges on an interior and exterior surface thereof, a post integrally formed within the payload receiving chamber and a solid section projecting rearwardly from the compression section, wherein the ridges are spaced from one another along the longitudinal axis;
a slug fitted to the post of the sabot;
wherein said compression section is adapted to at least partially annularly collapse along a direction of the longitudinal axis upon firing to produce a volume change.
41. The firearm round of claim 40 , wherein the slug comprises a stem defining a chamber adapted to receive the post of the sabot.
42. The firearm round of claim 40 , wherein the slug projects forwardly from the compression section of the sabot.
43. The firearm round of claim 40 , wherein the post substantially fills the payload receiving chamber.
44. The firearm round of claim 40 , wherein the slug comprises at least about 95% by weight lead.
45. The firearm round of claim 40 , wherein the sabot is axisymmetric about the longitudinal axis.
46. The firearm round of claim 40 , wherein the sabot has a front and a rear, the slug abutting a front edge of the front of the sabot.
47. The firearm round of claim 46 , wherein the compression section of the sabot further comprises a locking ring adjacent the front edge of the sabot, the locking ring abutting a stem of the slug.
48. The firearm round of claim 46 , wherein the slug comprises a driving band abutting the front edge of the front of the sabot, and a nose extending forwardly from the front edge, and wherein the driving band is adapted to engage rifling of a barrel of a rifled firearm.
49. The firearm round of claim 48 , wherein the driving band includes a length less than about 25% of an overall diameter of the firearm round.
50. The firearm round of claim 48 , wherein a stem of the slug has a diameter less than a diameter of the driving band.
51. The firearm round of claim 46 , wherein the sabot is polymeric and the slug is metallic.