Beyond “Mil-Spec” the NEMO AR bolt carrier group is perfect for those who are looking for assured reliability with the best in coating technology. The bolt carrier group is the heart of your rifle. Selecting the best construction and coatings will ensure that you have lasting reliability and accuracy. - Case hardened 8620 steel bolt carrier nickel boron coated ground surfaces to meet exacting dimensional and surface finish tolerances - Case hardened 9310 steel bolt nickel boron coated magnetic particle inspected ground surfaces to meet exacting dimensional and surface finish tolerances - Hard chrome plated and ground firing pin - Nickel boron coated gas key staked 4130 steel - NIB coated cam pin - NIB coated extractor with spring rubber insert and o-ring support - Forward assist serrations

Beyond “Mil-Spec” the NEMO AR bolt carrier group is perfect for those who are looking for assured reliability with the best in coating technology. The bolt carrier group is the heart of your rifle. Selecting the best construction and coatings will ensure that you have lasting reliability and accuracy. - .224 valkyrie designation laser engraved onto bolt - Bolt face diameter and extractor designed specifically for the .224 valkyrie cartridge - Case hardened 9310 steel bolt nickel boron coated magnetic particle inspected ground surfaces to meet exacting dimensional and surface finish tolerances - Case hardened 8620 steel bolt carrier nickel boron coated ground surfaces to meet exacting dimensional and surface finish tolerances - Hard chrome plated firing pin - Nickel boron coated gas key staked 4130 steel - NIB coated cam pin - NIB coated extractor with spring rubber insert and o-ring support - Forward assist serrations

.248 in pin size - Made from 6AL-4V titanium - Bead blasted for a matte finish - Total weight is .2 oz - Through drilled for enhanced weight savings - Smooth button head for easy assembly and disassembly - Product of Idaho MADE IN THE USA