COLT .223 REM/.5.56MM NATO HIGH WEAR PARTS KIT FOR AR-15/M4 The Colt High Wear Parts Repair Kit for AR-15/M4 is a compact OEM replacement set built to keep hard-run rifles operating at full reliability by refreshing the small internal components most prone to fatigue. Each part is manufactured to Colt's military specifications, ensuring proper fit, consistent performance, and long-term durability across any mil-spec AR15/M4 lower. Ideal for preventive maintenance, armorer support, or field-ready spares, this kit delivers the same trusted quality found in Colt's duty-grade rifles. SPECS Platform: AR-15 / M4 Color: Black Compatib Mfg: Colt