KAK K-SPEC AR Bolt 5.56×45 NATO Chrome

The KAK K-SPEC chrome-plated bolt is designed for AR-15 platforms and intended for use with .223 Rem/5.56 NATO cartridges. It employs the K-SPEC dual ejector system which uses Mil-Spec ejectors and springs to avoid reliance on proprietary parts. Ejector holes are centered on the lugs to maintain lug strength while improving consistency of ejection. The chrome finish provides the surface characteristics associated with chrome-plated components.

Key Specifications

• The finish is Chrome.
• The cartridge compatibility is listed as .223 Rem/5.56 NATO.
• The model designation is K-SPEC.
• The reported color is Silver.
• The product is described for the AR-15 platform.
• The listed subcategory is Bolts & Bolt Carrier Groups.
• It features the K-SPEC dual-ejector system with Mil-Spec ejectors and springs.
• Ejector holes are centered on the lugs to avoid any reduction in lug strength.

Purpose-built for builders and technicians who value consistent ejection and Mil‑Spec compatibility, this chrome-plated K-SPEC bolt delivers a focused set of features for AR-15 applications. Its dual-ejector arrangement and centered ejector holes are intended to increase ejection reliability and provide a repeatable ejection pattern while the chrome finish offers the typical surface characteristics associated with plated components.