Speer TMJ Rifle Bullet .224 55 Grain Total Metal Jacket Rifle Bullet 100. Standard FMJ bullets sacrifice accuracy by adding a separate piece of jacket to cover the bullet base - or leaving exposed lead. TMJ rifle bullets totally encapsulate the lead core for cleaner more accurate performance. Specifications for Speer TMJ Rifle Bullet .224 55 Grain Total Metal Jacket Rifle Bullet: Manufacturer: Speer Bullet Type: Full Metal Jacket (FMJ) Bullet Weight: 55 grain Projectile Caliber: .224 Caliber Bullet Quantity: 100 Bullet Features of Speer TMJ Rifle Bullet .224 55 Grain Total Metal Jacket Rifle Bullet Seamless jacket totally encases the bullets lead core Design eliminates the accuracy-robbing features of conventional full metal jacket bullets Reduces fouling and airborne lead Package Contents: Speer TMJ Rifle Bullet .224 55 Grain Total Metal Jacket Rifle Bullet Speer 22455TMJ: TMJ Rifle Bullet .224 55 Grain Total Metal Jacket Rifle Bullet 100