American Built Arms Company Arms Firing Pin 5.56mm AR-15 Mil Spec 8740

The American Built Arms Company AB ARMS FIRING PIN 5.56MM blends rugged reliability with precise, Mil-spec performance, delivering a high-quality AR-15 firing pin designed to meet demanding standards for field and range use. Crafted from AISI 8740 steel and chrome plated, this component combines strength and corrosion resistance to help maintain reliable ignition and consistent firing behavior under varied conditions. With dimensions of 1.55 X 2.70 X 3.60, this firing pin is tailored for compatibility with AR-15 platforms and serves as a dependable upgrade or replacement part for shooters who demand lasting durability and smooth cycling. The Type/color designation identifies it clearly as a dedicated firing pin, while the material description underscores its robust construction and precision-ground geometry essential for dependable hammer strike and reliable chamber ignition. Utilizing this firing pin supports steady trigger feel and consistent bolt travel, contributing to overall rifle performance during both practice sessions and field deployments. By choosing the AB ARMS FIRING PIN, shooters gain a trusted component that integrates seamlessly with standard AR-15 Mil-spec assemblies, reinforcing firearm reliability and long-term value.