Rock Island Armory 5.0 17-Round 9mm Magazine - Black Steel

The Rock Island Armory 42384 magazine delivers reliable feeding and extended capacity for 9mm pistols with its 17-round flush-fit design. This factory magazine eliminates feeding issues common with aftermarket alternatives while maintaining the pistol's original profile.

What Makes This Different

Unlike generic magazines that can cause feeding malfunctions, this Rock Island factory magazine undergoes rigorous quality control testing to ensure consistent performance. The flush-fit design maintains the pistol's concealment profile while providing 17 rounds of capacity. Heat-treated steel construction resists deformation under repeated loading cycles, while the anti-tilt follower prevents nose-diving that causes jams in competitive magazines.

Key Features

• 17-round capacity with flush-fit profile for concealment
• Heat-treated black steel construction for long-term durability
• Anti-tilt follower design prevents feeding malfunctions
• Factory specifications ensure perfect fit and function
• Witness holes for quick round count verification
• Heavy-duty spring rated for thousands of loading cycles
• Compatible with Rock Island Armory 5.0 pistol series

This magazine performs consistently across temperature extremes and maintains reliable feeding with various bullet weights and profiles. Competition shooters rely on its consistent performance during rapid-fire stages, while duty users appreciate the extended capacity without compromising concealment. The steel construction withstands drops and impacts that would crack polymer alternatives, making it suitable for harsh environments.

Technical Specs

• Capacity: 17 rounds
• Caliber: 9mm Luger
• Construction: Heat-treated steel with black finish
• Profile: Flush-fit design
• Follower: Anti-tilt polymer construction
• Spring: Heavy-duty steel coil spring
• Compatibility: Rock Island Armory 5.0 series pistols
• Model Number: 42384

Factory magazines eliminate the guesswork of aftermarket compatibility while providing the reliability expected from original equipment. The proven design and quality control standards make this magazine the logical choice for shooters who demand consistent performance.