Speer Lawman Clean-Fire 40 S&W 180gr Total Metal Jacket Round Nose Centerfire Handgun Ammo - 50 Rounds - Speer Lawman Clean-Fire ammunition gives shooters ideal indoor options. These offerings use the patented Clean-Fire primer, which contains no lead, barium or antimony. The TMJ bullet's lead core is completely encased so powder gases can't burn lead off the bullet base. Patented Clean-Fire primer contains no lead, barium or antimony Speer TMJ bullet Results in cleaner range air and firearms