Tacfire AR15 Lower Take Down Pin Front Black. These Bolt Gun Accessories by TacFire are made from aircraft grade aluminum with cut polished surfaces and a knurled edge for easy grip. The Tacfire AR15 Lower Take down Pin w/Ring features a stainless steel pinion (outer locking surface) on the bottom of the pin that is designed to easily slide into place when taking down you weapon. When you need a stronger pin to take down your weapon go with the Tacfire AR15 Lower Take down Pin w/Ring. Specifications for Tacfire AR15 Lower Take Down Pin: Manufacturer: TacFire Condition: New Country of Origin: USA Package Contents: Tacfire AR15 Lower Take Down Pin w/Ring Tacfire MAR090-F: AR15 Lower Take Down Pin Front Black