P 9mm 125gr Silver Rapids Bonded Polymer Jacket Round Nose Coated Bullet 1000’s Silver Rapids bullets are the next generation lead cast bullets. They have a lead alloy core which is encased in a tough, durable polymer coating. The polymer (polyester) jacket is thermally bonded to the core. This means no lead exposure, no lead fouling in the barrel, no lube build-up on reloading equipment and no smoke on the firing line. Silver Rapids CDS (Pty) LTD is active within the sport shooting community.