Carbon steel construction Anti-friction coating High-tensile steel spring Injection-molded polymer follower Polymer floor plate Match-grade performance This is a 20-round 9mm / .38 Super Kimber Ten II / BUL M5 magazine from MecGar. Hit the range with superior firepower and match-grade reliability using the MecGar Kimber Ten II / BUL M5 Competition 9mm / .38 Super 20-round magazine. Built around a heat-treated carbon steel body with a unique anti-friction coating, this Kimber Ten II magazine is built for lasting performance and rugged dependability in adverse conditions.