AMT BACKUP 380 ACP 5Rd STAINLESS with finger rest Magazine AMT BACKUP 380 ACP 5Rd STAINLESS Magazine: ORIGIN – USA CALIBER – .380 ACP WEIGHT – 18 OZ. OVERALL LENGTH – 4.9? LENGTH OF MAGAZINE – 3.0? A small concealed hammer blowback operated pistol of all stainless construction. Magazine safety and manual thumb safety. Also known as OMC and TDE Backup. Arcadia Machine & Tool was the manufacturer. Since 1998, manufactured by Galena Industries. This is a great replacement magazine made by Triple K USA, Price is for each, NO CC FEES, Call to pay with your credit card