This cartridge is made for Winchester Model 1890 and 1906 rifles, providing solid performance without harming soft steel barrels. 

Specifications:

Cartridge	22 Winchester Rimfire (WRF)
Best Use	Hunting
Grain Weight	45
Quantity	50
Muzzle Velocity	1300 FPS
Muzzle Energy	169 Foot Pounds
Bullet Style	Jacketed Hollow Point
Lead Free	No
Velocity Rating	Supersonic
Country of Origin	United States of America