SIG SAUER 1911 .45 ACP 8-Round Magazine

SIG SAUER 1911 Full-Size/Carry .45 ACP 8-Round Magazine

This factory SIG SAUER magazine is a model-specific spare or replacement for compatible full-size and Carry 1911 pistols chambered in .45 ACP. It combines an eight-round capacity with a stainless-steel body and silver finish, giving owners a straightforward factory option for range use, training, magazine rotation, or replacement of a damaged or worn magazine.

Designed for SIG SAUER Full-Size and Carry 1911 Pistols

The magazine is identified for SIG SAUER 1911 Full-Size and Carry models in .45 ACP. It is not the shorter seven-round magazine intended for Compact or Ultra Compact grip frames. Although many pistols share the general 1911 pattern, magazine length, caliber, and fit still matter. Confirm the pistol’s exact model and chambering before ordering.

Eight-Round .45 ACP Capacity

Its eight-round capacity matches the common full-size .45 ACP 1911 configuration while retaining a conventional single-stack profile. Additional factory magazines make it easier to organize range sessions, practice reloads, and rotate magazines without repeatedly loading the same unit. A known model-specific magazine can also help isolate whether a feeding issue follows a particular magazine or remains with the firearm or ammunition.

Stainless-Steel Construction

The smooth stainless-steel body provides durable metal construction and a silver appearance that is easy to identify in a mixed magazine collection. Routine care helps preserve reliable operation. Keep the tube and feed-lip area clear of dirt, inspect the follower for free movement, and monitor spring tension. Apply lubricant sparingly because excess oil inside a magazine can attract residue and debris.

Key Features

• Manufacturer: SIG SAUER
• Compatible models: SIG SAUER 1911 Full-Size and Carry
• Caliber: .45 ACP
• Capacity: 8 rounds
• Material: Steel
• Finish/color: Stainless steel / silver
• Type: Detachable factory pistol magazine
• Manufacturer part number: MAG1911458 / MAG-1911-45-8
• UPC: 798681408979
• Package quantity: One magazine

Choosing the Correct 1911 Magazine

Match the magazine to the firearm rather than relying only on the 1911 name. This item is for .45 ACP Full-Size and Carry SIG SAUER models. It should not be selected for compact-frame pistols or for 1911s chambered in 9mm, 10mm Auto, .380 ACP, or another cartridge. If the model designation is uncertain, compare the pistol manual and existing factory magazine markings before purchase.

Use and Inspection

Load only the correct .45 ACP ammunition and test each magazine with the specific pistol in a safe range environment. New springs can feel firm during initial loading. Never bend the feed lips or modify the body to force fit or function. If the magazine does not seat, lock, feed, or release normally, unload the firearm and magazine and consult the owner’s manual or a qualified armorer.

For owners of compatible SIG SAUER 1911 Full-Size or Carry pistols, this eight-round stainless magazine offers an exact, easily verified factory configuration for expanding a working magazine rotation.