Thunder Mountain Custom 1911 Slide Stop – 9mm | Blued | Serrated
Upgrade your 9mm 1911 with the Thunder Mountain Custom Serrated Slide Stop, engineered for shooters who demand precise control, long-term durability, and consistent performance. Unlike cast or metal-injection-molded parts, TMC CNC-machines every slide stop from a solid billet of steel. As a result, each component delivers tighter tolerances, superior fit, and exceptional strength.
Precision CNC Machining for Strength and Consistency
Because Thunder Mountain Custom machines each slide stop from solid billet steel, the part maintains excellent structural integrity. Consequently, it resists cracking, bending, and premature wear, even under heavy use or high round counts.
Moreover, the tight tolerances ensure reliable engagement with the slide and frame, which improves lock-back consistency and overall cycling. Therefore, shooters experience dependable performance whether training, competing, or carrying their pistol.
Serrated Paddle for Positive Thumb Engagement
The serrated paddle surface provides enhanced traction and tactile feedback. As a result, shooters can confidently engage or release the slide stop during reloads or malfunction clearance.
At the same time, the serrations strike a balance between grip and comfort. Consequently, the paddle remains easy to manipulate without feeling overly aggressive during extended shooting sessions.
Optimized for 9mm 1911 Pistols
This slide stop features a precision pin diameter of .200 – 2.005 inches, allowing proper engagement in 9mm 1911 platforms. However, because individual pistols vary by manufacturer, minor fitting may be required. When properly fitted, the slide stop delivers smooth cycling and consistent slide lock performance.
Durable Blued Steel Finish
The blued steel finish offers a classic appearance combined with proven durability. Additionally, it protects the steel while maintaining clean engagement surfaces over time, making it well suited for range, duty, or defensive pistols.
Backed by a Lifetime Guarantee
Thunder Mountain Custom stands behind this slide stop with a lifetime guarantee. Therefore, shooters can invest with confidence, knowing this component is built to perform for the life of the pistol.
Key Features and Specifications
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Caliber: 9mm
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Finish: Blued
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Material: CNC-machined steel billet
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Paddle: Serrated for positive control
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Pin Diameter: .200 – 2.005″
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Fitment: May require minor fitting
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Warranty: Lifetime Guarantee






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