If you cast your own bullets, our crimp-on gas checks will enhance their performance. During sizing, the gas check crimps to the base of case lead bullets to seal gasses and protect the base from deformation. Hornady gas checks are the only real choice for bullet casters.
Specifications:

Bullet Type	Cast Bullets
Bullet Diameter
Weight
Bullet Caliber
Jacket Material
Bullet Coating
Bullet Tip Material
Core Material
Cannelure
Coefficient
Sectional Density
OAL
Quantity	1000 Per Box
Recommended Usage