Ammunition › Federal, Premium, 17 HMR, 17 Grain, TNT, 50 Round Box Image 1 of 1 Federal, Premium, 17 HMR, 17 Grain, TNT, 50 Round Box $19.48 17 HMR2,530 Feet per second17 Grain Speer TNT hollow point50 Rounds per box Quantity: Add to Cart Added! 17 HMR2,530 Feet per second17 Grain Speer TNT hollow point50 Rounds per box