Sig Sauer builds this detachable magazine (part no. MAG-1911-45-8) for its 1911 pattern pistols, chambered in .45 ACP with an 8-round capacity. It is a genuine factory-spec spare, not an aftermarket copy, so it drops straight into a Sig Sauer 1911 with no fitting. For Sig Sauer owners of a 1911, this handgun magazine is a direct factory replacement.

Key Specifications

• Chambered in .45 ACP, matching the 1911’s factory chambering.
• Holds 8 rounds.
• Fits Sig Sauer 1911 pattern pistols.
• A genuine Sig Sauer factory magazine, not an aftermarket copy.
• Runs a detachable design for quick reloads.
• Packaged individually, one magazine per box.
• Weighs approximately 0.30 pounds.
• Manufactured by Sig Sauer.
• Sold as a factory accessory magazine, not bundled with a pistol.

Frequently Asked Questions

What pistols does this magazine fit? Sig Sauer 1911 pattern pistols chambered in .45 ACP.

How many rounds does it hold? 8 rounds.

Is this an aftermarket magazine? No, it’s a genuine Sig Sauer factory magazine.

Buy the Sig Sauer 1911 .45 ACP Magazine

A genuine factory spare with a detachable design, this Sig Sauer 1911 magazine is a direct-fit backup in .45 ACP. Order it from our Lubbock, Texas gun shop for fast, insured shipping.