The UTSPO has just published a patent application from Magpul for a modular two-part AR-15 stock. This is the design used for their UBR stock.
You can read the patent after the jump … (more…)
The UTSPO has just published a patent application from Magpul for a modular two-part AR-15 stock. This is the design used for their UBR stock.
You can read the patent after the jump … (more…)