Abrams Airborne Manufacturing, VLTOR’s parent company, is the third company in recent months to sue Magpul over patent infringement. VLTOR claim that Magpul’s ACS stock violates their Modular Firearm Buttstock patent.

VLTOR’s Modular Firearm Buttstock – Patent 6925744

Magpul ACS

Both stocks feature a removable storage compartment. It looks like VLTOR may have a legitimate case.

[ Many thanks to jdun1911 for emailing me the link. ]

Click through to view the lawsuit and patent … (more…)