Product Description The Liberty Ammunition Overwatch is a precision-engineered 5.56x45 NATO cartridge built for shooters who demand top-tier accuracy and extended range performance. Featuring a CNC-machined copper projectile at 77 grains, this ammunition is purpose-designed for accuracy and range, delivering a consistent muzzle velocity of 2800 FPS and kinetic energy exceeding 1340 FPE. Optimized for rifles with a 1/7 to 1/8 barrel twist rate, the Overwatch achieves sub-1 MOA accuracy at 300 meters. Proudly made in the USA, each box contains 20 cartridges ready to perform in demanding situations. Product Highlights CNC-Machined Copper Projectile: Precision-crafted projectile engineered specifically for accuracy and extended range performance. High Velocity and Energy: Delivers 2800 FPS muzzle velocity with kinetic energy exceeding 1340 FPE for confident terminal performance. Sub-MOA Accuracy: Achieves less than 1 MOA at 300 meters, making it ideal for long-range precision shooting. Designed for 1/7 - 1/8 Barrel Twist: Optimized stabilization for modern AR-platform and bolt-action rifles with fast-twist barrels. Made in the USA: American-made quality in every round, packaged in convenient 20-round boxes. Specs Brand: Liberty Ammunition Caliber: 5.56x45 NATO Bullet Weight: 77 Grain Muzzle Velocity: 2800 FPS Kinetic Energy: >1340 FPE Accuracy: