Obsidian Arms Pivot Pin Detent Tool AR-308

Obsidian Arms Pivot Pin Detent Tool AR-308 Master AR-308 detent installs-no flying springs, no frustration. Installing pivot pin detents on AR-10/AR-308 rifles can be one of the most frustrating steps in any build. The Obsidian Arms Pivot Pin Detent Tool solves this problem with a precise, easy-to-use solution that dramatically simplifies the process-especially on large-frame platforms. Machined from 4140 alloy steel, heat-treated for strength, and coated with a QPQ rust-resistant finish, this tool allows for controlled, repeatable detent installation without the risk of launching small parts across your workbench. Whether you're a seasoned armorer or a first-time builder, this USA-made tool ensures smoother, safer builds-and it's backed by a lifetime warranty for peace of mind. Features Specifically designed for AR-10 / AR-308 lower receivers 4140 alloy steel, heat-treated for strength and wear resistance QPQ (quench-polish-quench) finish for corrosion protection Prevents lost detents and damage to detent springs Made in the USA and backed by a lifetime warranty Specifications Compatibility: AR-10 / AR-308 Lower Receivers Material: 4140 Heat-Treated Alloy Steel Finish: QPQ (Quench Polish Quench)