M855a1 steel core penetrator. Hard to find 


150 rounds. $3.20 per round 


 


Design and SpecificationsBullet Weight: 62 grains.Composition: Lead-free; features a copper alloy body with an exposed, hardened steel arrow-shaped penetrator tip and a copper plug.Muzzle Pressure: Operates at a very high chamber pressure, running around 62,000 PSI (roughly 10,000 PSI hotter than standard M855).Powder/Primer: Uses temperature-stabilized propellant, a flash reduction agent, and a non-toxic primer.