Product Specifications: UPC Code: 019962233104 Manufacturer: Chip McCormick Manufacturer Part #: 17150 / M-RPM-45FS10 Type: Magazine Model: Railed Power Mag Caliber: 45 ACP Capacity: 10Rds Finish/Color: Stainless Fits: 1911 Product Description: McCormick's all new RAILED POWER MAGS (TM)! The New Ultimate in High Performance 1911 Magazines! Dual Wall Feed Rails (TM) Revolutionized 1911 Magazines. No More Jams due to Thin, Warped and Bent 1911 Feed Lips Pack of THREE 1911 Rail Power Magazines, 45 ACP, 10 Round, Stainless Fit: 1911 45 ACP 10 Rounds Dual Wall Feed Rails 2x Strength of Feed lips Smoothest Feeding Surface Patented Tactical RPM Follower Laser Welded Stainless Tube 19 Coils of Rocket Wire Spring.