Rise Armament OS Kit Spare AR-15 Parts for Rifle Builds

The Rise Armament RISE OS KIT SPARE AR-15 PARTS is a compact, black kit designed for long gun enthusiasts who want a reliable, organized source of essential components. Housed in a magnetic tin, this OS Kit keeps screws, pins, detents, and springs neatly sorted, with the lid featuring a to-scale image of every included part for quick identification during field work or at the bench. The kit includes a buffer retainer and buffer retainer spring, anti-walk pin screws, takedown and pivot pin detents with corresponding springs, a safety selector detent and its spring, and a firing pin retainer, all carefully chosen to support smooth operation and easier maintenance. Ideal for rifle builds, this kit bundles the critical spare parts you might struggle to locate if dropped, helping you maintain your AR-15 with confidence. Precision-engineered by Rise Armament, it pairs well with standard rifle components and can be used to address common wear items without disturbing your project. The RA-OSK-015 is a practical, ready-to-go solution for proactive upkeep and quick part replacements in field or at the range.