Sig Sauer P220 Magazine 8rd 45ACP Stainless Steel MAG220458

The Sig Sauer MAG220458 delivers reliable feeding and extended service life for P220 pistols chambered in 45ACP. This factory magazine combines precision engineering with corrosion-resistant materials to ensure consistent performance across thousands of rounds.

What Makes This Different

Unlike aftermarket alternatives, this factory magazine maintains the exact tolerances and spring tension specifications engineered for the P220 platform. The stainless steel construction resists corrosion and wear significantly better than standard carbon steel magazines. Factory quality control ensures proper follower geometry and feed lip dimensions that aftermarket magazines often fail to replicate accurately.

Key Features

• Factory Sig Sauer construction ensures perfect fit and reliable feeding
• Stainless steel body resists corrosion in humid and marine environments
• 8-round capacity optimized for 45ACP cartridge dimensions
• Heat-treated spring maintains consistent tension over extended use
• Precision-formed feed lips prevent cartridge damage during cycling
• Compatible with all P220 variants chambered in 45ACP
• Witness holes allow quick visual ammunition count verification

Field testing demonstrates consistent feeding across various 45ACP loads, from 185-grain target rounds to 230-grain defensive ammunition. The stainless construction maintains functionality in temperatures ranging from -20°F to 140°F without spring degradation or body warping. Law enforcement agencies report these magazines functioning reliably after 10,000+ round counts with minimal maintenance.

Technical Specs

• Capacity: 8 rounds of 45ACP ammunition
• Construction: Stainless steel body with polymer follower
• Compatibility: Sig Sauer P220 pistols in 45ACP only
• Spring: Heat-treated steel with anti-corrosion coating
• Base plate: Removable polymer with lanyard loop
• Weight: 3.2 ounces empty
• Country of Origin: USA
• Manufacturer Part Number: MAG220458

This factory magazine eliminates the feeding issues and premature wear common with budget alternatives. Professional users choose genuine Sig Sauer magazines because reliability cannot be compromised when it matters most.