ProMag ROCA1 .380 ACP 12-Rd Blued Steel Pistol Magazine for Rock Island Baby Rock

The ProMag ROCA1 is a 12-round replacement pistol magazine purpose-built for the Rock Island Armory Baby Rock chambered in .380 ACP. Designed as a direct-fit spare for Baby Rock owners, the magazine body is constructed from heat-treated steel with a rugged black oxide (blued) finish engineered for smooth, dependable feeding round after round.

ProMag has long been a trusted name in aftermarket pistol and rifle magazines, and the ROCA1 carries that reputation forward for shooters looking to add a reliable spare or extended-capacity option to the Baby Rock platform. The blued steel body resists wear and stands up to regular carry and range use, making it a practical companion to your compact Rock Island Armory .380.