Dark Storm Industries Bolt Catch Spring / Detent Kit Black. Developed working with several of the most extremely strong and dependable substances available these AR15 Lower Parts by Dark Storm Industries can provide a product that gives you many years of stability. Dark Storm Industries has been developing high quality merchandise for a very long time and the Dark Storm Industries Bolt Catch Spring / Detent Kit is their very own means of demonstrating just how much they are concerned. Here at OpticsPlanet we make it our obligation to get the perfect product for your specifications and exhibiting the Dark Storm Industries Bolt Catch Spring / Detent Kit is something that we're happy to offer. Specifications for Dark Storm Industries Bolt Catch Spring / Detent Kit: Manufacturer: Dark Storm Industries Color: Black Fabric/Material: Steel Finish: Black Oxide Features of Dark Storm Industries Bolt Catch Spring and Detent Kit Bolt Catch Detent Pin Machined from 1117 Steel Black Oxide Finish Bolt Catch Spring Package Contents: Dark Storm Industries Bolt Catch Spring and Detent Kit Dark Storm Industries DSI-LWR-BLTCDK: Bolt Catch Spring / Detent Kit Black