CMMG Replacement Extractor O-ring, Black

Upgrade your firearm maintenance toolkit with our premium replacement O-ring, specifically designed for the CMMG MK3 and LR-308 extractor springs. Engineered for precision and durability, this O-ring ensures optimal performance and reliability of your firearm's extraction system. Crafted from high-quality materials, it offers superior resistance to wear and tear, providing a long-lasting solution to maintain the efficiency of your extractor springs. Whether you're a professional gunsmith or an enthusiast, this replacement O-ring is an essential component for ensuring smooth and consistent operation of your firearm. Easy to install and designed to meet the exact specifications of your CMMG MK3 or LR-308, it guarantees a perfect fit and enhanced functionality. Keep your firearm in peak condition with this indispensable replacement part.