The Rock Island Armory 44522 ACT-MAG delivers reliable feeding and extended capacity for Sig Sauer P220 pistols chambered in 45 ACP. This 8-round magazine increases standard capacity while maintaining the proven reliability shooters demand from their defensive and competition firearms.
What Makes This Different
Unlike factory magazines that typically hold 7 rounds, this ACT-MAG extends capacity to 8 rounds without compromising reliability or requiring grip modifications. The blued steel construction matches OEM specifications for materials and tolerances, ensuring consistent lockup and feeding. Rock Island Armory engineers this magazine to meet the same dimensional standards as original equipment, eliminating compatibility issues common with aftermarket alternatives.Key Features
- 8-round capacity increases firepower by one round over standard magazines
- Blued carbon steel body provides corrosion resistance and durability
- Heat-treated spring maintains consistent tension through thousands of cycles
- Anti-tilt follower design prevents nose-diving and feeding malfunctions
- Witness holes allow quick visual ammunition count verification
- Drop-free design enables rapid reloads under stress
- Compatible with all Sig Sauer P220 variants in 45 ACP
Technical Specs
- Capacity: 8 rounds of 45 ACP ammunition
- Material: Carbon steel body with blued finish
- Spring: Heat-treated music wire construction
- Follower: Anti-tilt polymer design
- Baseplate: Steel with finger extension
- Compatibility: Sig Sauer P220 pistols in 45 ACP
- Overall length: Approximately 4.2 inches
- Weight: 3.1 ounces empty
