The Rock Island 3.10 Mag 45ACP 1911 10rd is a genuine Armscor/Rock Island Armory double-stack magazine built specifically for the Rock Warrior and BBR 3.10 pistols. Constructed from blued steel with a polymer follower and base plate, it delivers reliable feeding and a durable finish tailored to compact .45 ACP 1911 platforms. With a 10-round capacity, it offers increased firepower over traditional single-stack magazines while maintaining a slim, easy-to-handle profile.

This detachable magazine is ideal as a primary or spare for range sessions, training, or general carry with your Rock Warrior or BBR 3.10 pistol. Its factory-spec design ensures proper fit, consistent lockup, and smooth insertion and removal. Shooters who prefer to keep their pistols running on OEM components will appreciate the straightforward, no-nonsense performance that reflects Armscor and Rock Island Armory’s focus on practical reliability and value.

Key Features:

• Manufacturer: Armscor / Rock Island Armory
• Model: 1029RW Rock Warrior / BBR 3.10 Magazine
• Caliber: .45 ACP
• Capacity: 10 Rounds
• Product Type: Detachable Double-Stack Handgun Magazine
• Material: Steel Body With Polymer Follower And Base Plate
• Finish: Blued
• Model Fit: Rock Island Rock Warrior, BBR 3.10
• Shipping Weight: 0.23 lbs