Winchester 21 Sharp 37 Grain Full Metal Jacket USA 100/Box

21 Sharp takes rimfire to the next level with the ability to utilize bullet types not commonly found in .22 long rifle, resulting in superior accuracy and devastating terminal performance.

Key features:

Caliber: .21 Sharp, with a projectile diameter of \(0.2105\) inches. 

Improved bullet design: Eliminates the need for a heeled bullet, allowing for more advanced designs like FMJs and JHP that offer better accuracy and performance. 

Lead-free options: Its non-heeled design makes it easier to produce accurate, high-performing lead-free projectiles, addressing the growing need for lead-free ammunition. 

Versatility: Suitable for various shooting applications, including target practice and hunting varmints. 

Efficiency: Uses a case similar to the .22 Long Rifle and is loaded to the same maximum average pressure, making it efficient to manufacture and compatible with many firearms.