US12578156 - Hybrid magazine for a firearm

The patent describes a hybrid firearm magazine made from a metal first section and a plastic second section, designed to form a secure joint that prevents misalignment and movement between the two materials. This innovative design enhances the structural integrity and functionality of the magazine while maintaining equal thickness at the joint.
Claim 1
1 . A hybrid firearm magazine fabricated from two dissimilar materials, said firearm magazine defining a vertical axis and two horizontal axes, said horizontal axes including a lateral axis and a longitudinal axis, said hybrid firearm magazine comprising: a first section having a plurality of walls forming a tubular structure having a first mating end, said first section having an inner face and an outer face, said first mating end having an inner portion proximate to said inner face, an outer portion proximate to said outer face, and a central portion between said inner portion and said outer portion, said inner portion and said outer portion tapering toward said central portion to define a nonlinear edge, said plurality of walls having a first thickness, said first section fabricated from a metal; and a second section having a plurality of walls forming a tubular structure having a second mating end, said second section fabricated from a plastic, said plastic filling in around said nonlinear edge to form a joint, said joint limiting misalignment of the corresponding walls of said first section plurality of walls and said second section plurality of walls, said joint having a surface area and a second thickness, said second thickness being substantially equal to said first thickness. a first section having a plurality of walls forming a tubular structure having a first mating end, said first section having an inner face and an outer face, said first mating end having an inner portion proximate to said inner face, an outer portion proximate to said outer face, and a central portion between said inner portion and said outer portion, said inner portion and said outer portion tapering toward said central portion to define a nonlinear edge, said plurality of walls having a first thickness, said first section fabricated from a metal; and a second section having a plurality of walls forming a tubular structure having a second mating end, said second section fabricated from a plastic, said plastic filling in around said nonlinear edge to form a joint, said joint limiting misalignment of the corresponding walls of said first section plurality of walls and said second section plurality of walls, said joint having a surface area and a second thickness, said second thickness being substantially equal to said first thickness.
Google Patents
https://patents.google.com/patent/US12578156
USPTO PDF
https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12578156