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Certain firearm magazines and extensions are subject to maximum capacity restrictions based on state and local laws. Currently, we are unable to sell these products to some locations. For a complete list of these restrictions, please visit our policy page.

By continuing with your purchase, you agree to adhere to all applicable laws and regulations.  

Product Info for Check-Mate Industries 1911 Full Size 5in .45 ACP 8 Round Pistol Magazine

Check-Mates' unwavering fixation with creating the finest magazine has lead to an unparalleled number of innovative features each one more ground breaking then the next.image

Check-Mate's 1911 .45 ACP magazines are made from the highest quality American milled stainless and high carbon steel. Every tube is through-hardened for exceptional strength and durability. Each Tube is polished inside and out to eliminate drag and our proprietary welding techniques insure solid welds that won't break. Check-Mates high-performance springs offer high quality, outstanding reliability, and exceptional spring endurance.

Every detail from the feed lip to floor plate is driven by the same concern for excellence.

Staying true to Check-Mate's standard of excellence, the 1911 .45 ACP magazines are produced using the finest American milled stainless and high carbon steel. The proven inherent reliability of these magazines practically speaks for itself. Check-Mate guarantees outstanding quality and maximum longevity for the .45 caliber magazine by hardening each tube and utilizing proprietary welding techniques. In addition, many of our magazines house Check-Mate's patented follower, designed with an extended front skirt with an anti-friction self-lubricating finish and proper dimple placement for exceptional feed and function with every round.

Specifications for Check-Mate Industries 1911 Full Size 5in .45 ACP 8 Round Pistol Magazine:

Manufacturer: Check-Mate Industries
Gun Make: 1911 Platform
Gun Model: 1911 Full Size 5in
Caliber: .45 ACP
Magazine Capacity: 8 Round
Fabric/Material: Steel
Gun Type: Pistol

Package Contents:

  • Check-Mate Industries 1911 Full Size 5in .45 ACP 8 Round Pistol Magazine

Check-Mate Industries 1911 Full Size 5in .45 ACP 8 Round Pistol Magazine Orderable Models

List of Orderable Models

  • Check-Mate Industries 1911 Full Size 5in .45 ACP 8 Round Pistol Magazine, Black, CM4519118B , MPN: CM4519118B , UPC: 850020492275 , Code: 3OR-PMG-CM4519118S-CM4519118B-8RD
  • Check-Mate Industries 1911 Full Size 5in .45 ACP 8 Round Pistol Magazine, Silver, CM4519118S , MPN: CM4519118S , UPC: 850020492268 , Code: 3OR-PMG-CM4519118S-CM4519118S-8RD
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Last updated 2026-08-02 UTC.