CheckMate 9MM Officers Magazine 7 Round Stainless

CheckMate Magazines

Pure Performance. Complete Reliability.

Built on Innovation and Precision

First and foremost, CheckMate relentlessly pursues magazine perfection rather than shortcuts. As a result, that singular focus fuels continuous innovation, with every design choice aimed at improving reliability, durability, and real‑world performance. Moreover, CheckMate builds its reputation on function first, which means every feature serves a clear purpose on the firing line.

Premium Materials for Lasting Strength

Moreover, CheckMate forms every magazine tube from high‑quality American‑milled stainless steel to ensure structural integrity from the start. Then, the company through‑hardens each tube, which significantly increases resistance to cracking, deformation, and long‑term wear. Afterward, CheckMate polishes each tube inside and out. Consequently, friction is reduced, drag disappears, and cartridges move smoothly during feeding, even under high round counts.

Advanced Follower and Spring Design

At the same time, CheckMate engineers its patented follower with an extended front skirt to maintain proper cartridge control throughout the feeding cycle. As a result, the follower stays level and stable as rounds strip forward. In addition, the anti‑friction, self‑lubricating finish minimizes resistance while precise dimple placement prevents last‑round issues. Furthermore, CheckMate pairs this follower with a proprietary high‑performance spring. Therefore, the magazine delivers consistent upward pressure, excellent spring endurance, and dependable feeding from the first round to the last.

Optimized Feed Lip Geometry

Likewise, CheckMate precisely machines its feed lips to maintain a consistent cartridge angle during feeding. Because of this geometry, the magazine supports reliable cycling with a wide range of ammunition profiles. Additionally, this controlled presentation improves feeding consistency in both duty and competition pistols.

Excellence in Every Detail

Finally, CheckMate applies the same attention to detail across every component, from the feed lips to the welded floor plate. As a result, each magazine offers a secure base, long service life, and dependable performance under demanding conditions. For this reason, Thunder Mountain Custom proudly partners with CheckMate Industries to provide shooters with some of the finest 1911 magazines available.

Trusted by Professionals

As a result of this uncompromising approach, professionals across defense, law enforcement, and competitive shooting continue to trust CheckMate magazines. Ultimately, shooters who demand reliability choose CheckMate because performance matters every time the trigger is pulled.

Specifications

Product Details

• SKU: CM-9mm-7C-S

• Finish: Stainless Steel

• Capacity: 7 Rounds

• Floor Plate: Welded Base

• Follower: CMI Patented

• Feed Lips: Wadcutter

• Spring: 9mm 7‑Round Spring