Product DescriptionPMC X-TAC 5.56x45mm NATO ammunition is built to deliver dependable function and consistent performance for training and general-use shooting. This 62-grain M855-style "green tip" Light Armor Piercing (LAP) projectile features a full metal jacket design commonly associated with steel-core/penetrator construction, paired with a reloadable brass case and Boxer primer. Packaged in 20-round boxes (50 boxes per case), PMC X-TAC is a proven choice used and trusted by military and law enforcement organizations worldwide.Product Highlights 5.56x45mm NATO 62-grain M855-style green tip projectile for reliable, repeatable performance Light Armor Piercing (LAP) / penetrator-style full metal jacket bullet design Reloadable brass casing with Boxer primer for consistent ignition 20 rounds per box; 50 boxes per case (1,000 rounds per case) Rated muzzle velocity up to ~3100 fps (commonly listed from a 20" test barrel)Specs Brand: PMC Line/Model: X-TAC Cartridge: 5.56x45mm NATO Bullet Weight: 62 gr Bullet Type: Light Armor Piercing (LAP), M855 / Green Tip, Full Metal Jacket Case Type: Brass Primer Type: Boxer Muzzle Velocity: approx. 3100 fps (20" barrel); approx. 2920 fps (16" barrel) Muzzle Energy: approx. 1323 ft-lbs Rounds Per Box: 20 Case Quantity: 50 boxes per case (1,000 rounds) UPC: 741569010122 Manufacturer Part Number: 556KDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.