KNS Precision Turned Detent Lower Parts Kit – AR-15 Complete Assembly

The KNS Precision Turned Detent Lower Parts Kit provides all essential components for completing an AR-15 lower receiver build. This kit includes precision-turned detents that offer tighter tolerances than standard MIM (metal injection molded) parts, reducing rattle and improving overall fit. Designed for builders who want reliability without compromise, this kit eliminates the need to source individual small parts from multiple suppliers.

All detents are CNC-turned from quality steel for consistent dimensions and durability. The kit includes properly tensioned springs and standard mil-spec components throughout. Installation requires basic armorer tools and familiarity with AR-15 lower assembly procedures—punch set, hammer, and detent installation tool recommended to avoid launching small parts across the workbench.

• Part Type: Complete Lower Parts Kit
• Compatible Firearms: AR-15 Lower Receivers (Mil-Spec)
• Material: Steel Components with Turned Detents
• Finish: Standard Phosphate/Black Oxide
• Installation: Drop-In (Armorer-Level Assembly Required)
• Includes: All Detents, Springs, Pins, and Hardware for Lower Completion (Minus Trigger Group, Pistol Grip, and Stock Components)