The Mitchell Defense Carbon Cutter Bolt Carrier Group is designed to deliver exceptional performance in any environment. Originally developed to excel in sandy conditions, further testing revealed that its advanced coating and unique rail design also effectively combat carbon, dirt, debris, and other common contaminants. Whether you're in the desert, the woods, or urban settings, the Carbon Cutter ensures reliable and smooth operation, making it a versatile choice for all your needs.The MD Carbon Cutter BCG is designed to deliver exceptional reliability and durability in the most challenging conditions. Elevate your M4 weapon system with a component built to exceed expectations. FeaturesArmorLube Coating: Advanced DLC coating developed with the US Army DEVCOM. Outperforms Nitride (25,000 cycles) and phosphate/Parkerizing (690 cycles) with 97,000 cycles in the taper abrasion test. Prevents galling, corrosion, and seizure.Sealed Gas Key: Precision torqued and staked with optimized scr...