The Sub-X bullet used in Subsonic Rifle features a lead core. Long grooves in its gilding metal jacket combine with the bullets flat profile and the patented Flex Tip insert within its hollowpoint cavity to help it expand reliably at low velocities.
Hornady Subsonic Rifle Ammo Bushmaster Sub-X 20 Rounds 
Caliber: 450 Bushmaster
Bullet Type: Sub-X
Rounds Per Box: 20
Boxes Per Case: 10
Casing Material: Brass
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