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Sig Sauer
The SIG MAG 556 AR15 5.56 NATO 30-round magazine is a reliable, field-proven polymer magazine built for AR-15 platforms chambered in .223 Remington and 5.56 NATO. Whether you're running a patrol rifle, training at the range, or stocking spares for your home-defense AR, this 30-round capacity sits at the sweet spot between manageable weight and practical ammunition supply. The black finish blends with modern tactical setups, and the polymer construction keeps things lightweight without sacrificing durability—a workhorse mag that won't let you down when it matters.
Built on proven Magpul PMAG design principles, this magazine delivers the kind of straightforward reliability that's made polymer mags the standard across military, law enforcement, and civilian shooting communities. You get consistent feed performance without the maintenance headaches of older aluminum designs. The 30-round count gives you staying power on longer strings without the bulk of higher-capacity options, making it ideal for both tactical work and practical competition shooting.
Keep one in your kit, stack a few in your range bag, or build out a magazine rotation for your rifle—at this capacity and with this proven track record, you'll want extras on hand. The black color matches most modern furniture and rail systems, and the construction is tough enough for hard use without breaking the bank.
| Caliber | .223 Remington / 5.56 NATO |
| Capacity | 30 rounds |
| Material | Polymer |
| Finish | Black |
| Platform | AR-15 |
Yes. This magazine is designed for AR-15 rifles chambered in .223 Remington or 5.56 NATO. Standard AR-15 platforms use the same magazine well dimensions, so it will fit and function in any mil-spec or commercial AR-15.
This magazine accepts both. While there are ballistic differences between the cartridges themselves, they use the same case and magazine format. The magazine doesn't discriminate between the two—only your rifle's chamber does.
That depends on your use case. For range days, one or two mags are starter-level; for serious training or defensive readiness, most shooters run at least three to five. The 30-round capacity is a practical middle ground—enough ammunition for extended shooting without the ergonomic penalty of 40+ round options.
Sig Sauer
The SIG MAG 556 AR15 5.56 NATO 30-round magazine is a reliable, field-proven polymer magazine built for AR-15 platforms chambered in .223 Remington and 5.56 NATO. Whether you're running a patrol rifle, training at the range, or stocking spares for your home-defense AR, this 30-round capacity sits at the sweet spot between manageable weight and practical ammunition supply. The black finish blends with modern tactical setups, and the polymer construction keeps things lightweight without sacrificing durability—a workhorse mag that won't let you down when it matters.
Built on proven Magpul PMAG design principles, this magazine delivers the kind of straightforward reliability that's made polymer mags the standard across military, law enforcement, and civilian shooting communities. You get consistent feed performance without the maintenance headaches of older aluminum designs. The 30-round count gives you staying power on longer strings without the bulk of higher-capacity options, making it ideal for both tactical work and practical competition shooting.
Keep one in your kit, stack a few in your range bag, or build out a magazine rotation for your rifle—at this capacity and with this proven track record, you'll want extras on hand. The black color matches most modern furniture and rail systems, and the construction is tough enough for hard use without breaking the bank.
| Caliber | .223 Remington / 5.56 NATO |
| Capacity | 30 rounds |
| Material | Polymer |
| Finish | Black |
| Platform | AR-15 |
Yes. This magazine is designed for AR-15 rifles chambered in .223 Remington or 5.56 NATO. Standard AR-15 platforms use the same magazine well dimensions, so it will fit and function in any mil-spec or commercial AR-15.
This magazine accepts both. While there are ballistic differences between the cartridges themselves, they use the same case and magazine format. The magazine doesn't discriminate between the two—only your rifle's chamber does.
That depends on your use case. For range days, one or two mags are starter-level; for serious training or defensive readiness, most shooters run at least three to five. The 30-round capacity is a practical middle ground—enough ammunition for extended shooting without the ergonomic penalty of 40+ round options.
