CheckMate 1911 Magazine – .45 ACP – 8‑Round – Stainless – Hybrid Feed Lips – Full Size
Proven Reliability for Full‑Size 1911 Pistols
The CheckMate 8‑round .45 ACP stainless steel magazine consistently sets the standard for reliability, durability, and smooth feeding in full‑size 1911 pistols. From the very beginning, CheckMate designs this magazine for serious shooters. As a result, it performs with equal confidence in defensive, duty, training, and competition environments.
Premium Materials and Through‑Hardened Construction
Strength That Holds Its Geometry
First and foremost, Check‑Mate manufactures every magazine tube from premium American‑made stainless steel and high‑carbon steel. Then, the company applies a full through‑hardening process. Because of this critical step, the tube achieves exceptional strength while actively resisting cracking, feed‑lip spread, and long‑term fatigue. Consequently, the magazine maintains proper geometry and consistent performance even after extensive round counts.
Polished Interior and Exterior for Smooth Feeding
Reduced Friction, Improved Cycling
Next, Check‑Mate carefully polishes each magazine tube inside and out. As a result, friction and drag decrease significantly, allowing cartridges to move freely and stack consistently. Therefore, the pistol feeds more smoothly and cycles more reliably, especially during rapid‑fire strings or high‑round‑count training sessions.
Hybrid Feed Lips for Broad Ammunition Compatibility
Controlled Release with Smooth Presentation
In addition, this magazine features Hybrid feed lips that intelligently blend the controlled release of traditional GI lips with the smooth feeding characteristics of wadcutter designs. Because of this balanced geometry, cartridges exit the magazine at a consistent and reliable angle. Consequently, the magazine feeds a wide range of .45 ACP ammunition with outstanding consistency.
Welded Stainless Base Pad for Strength Without Bulk
Flush‑Fit, Duty‑Ready Design
Furthermore, the welded, flush‑fit stainless steel base pad adds structural strength without increasing bulk. Since the base is solidly welded, it resists separation under hard use. At the same time, it preserves a clean, factory‑correct profile that remains ideal for concealed carry, duty holsters, or competition setups.
High‑Performance 8‑Round Magazine Spring
Consistent Pressure, Long Service Life
To complete the system, Check‑Mate installs a high‑performance 8‑round magazine spring. This spring delivers strong upward pressure, fast recovery, and excellent endurance. As a result, the magazine continues to feed reliably even after prolonged use and repeated loading cycles.
Trusted by Professionals Worldwide
Precision Manufacturing You Can Rely On
Ultimately, every detail—from the hardened feed lips to the welded floor plate—reflects Check‑Mate’s commitment to precision manufacturing and functional excellence. For that reason, law enforcement professionals, defensive shooters, and competitive marksmen worldwide continue to rely on Check‑Mate magazines.
Accordingly, Thunder Mountain Custom proudly partners with Check‑Mate Industries to offer what many shooters consider the finest 1911 magazines available today.
Features & Specifications
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Caliber: .45 ACP
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Capacity: 8 rounds
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Fits: Full‑size Government 1911 pistols
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Material: Stainless steel / high‑carbon steel
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Tube: Through‑hardened and polished inside and out
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Feed Lips: Hybrid design for wide ammunition compatibility
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Base Pad: Welded, flush‑fit stainless steel
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Spring: High‑performance 8‑round magazine spring
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Manufacturer: Check‑Mate Industries
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SKU: CM45‑8‑S‑H
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