Remington R21271 Thunderbolt LRN 40 GR .22 LR Ammunition $50/box 525 rds

Caliber: .22 LR

Bullet Type: Lead Round Nose

Bullet Weight: 40 gr

Muzzle Velocity: 1255 fps

Muzzle Energy: 140 ft. lbs.

Rounds Per Box: 525

Made in USA