Shop › REM THNDRBT 22LR 40GR RN HS 500/5000 REM THNDRBT 22LR 40GR RN HS 500/5000 $52.99 Remington Thunderbolt, 22LR, 40 Grain, Round Nose Hi-Velocity, 500 Rounds 21241 Quantity: Add To Cart Added! Remington Thunderbolt, 22LR, 40 Grain, Round Nose Hi-Velocity, 500 Rounds 21241