1911 Thumb Safety
The United Defense 1911 Thumb Safety is a GI MIL-Spec replacement lever for the classic 1911 platform. Machined from heat-treated alloy steel and finished in black Parkerized phosphate, it delivers the original government profile with a serrated thumb pad for positive, repeatable engagement. It fits Government and Commander-size 1911 frames across the common calibers — .45 ACP, 9mm, .38 Super, and 10mm — making it a go-to part for rebuilding a worn pistol or finishing a custom build. A solid choice for shooters who want authentic milspec geometry without paying boutique prices.
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- SKU
- 1911ST
$12.95
Description
Features
- GI MIL-Spec Pattern — Built to original government 1911 specifications for authentic fit, function, and feel on standard-frame pistols.
- Single-Side Right-Hand Operation — Traditional left-side lever for right-handed shooters, with a serrated thumb pad for positive engagement and disengagement.
- Serrated Thumb Pad — Aggressive horizontal serrations give your shooting-hand thumb a no-slip surface for fast, deliberate safety sweeps.
- Black Parkerized Finish — Matte phosphate coating resists corrosion and matches GI and milspec 1911 frames without drawing attention.
- Machined Steel Construction — Heat-treated alloy steel stands up to thousands of activation cycles without peening or wear at the detent.
- Standard 1911 Compatibility — Drops into Government, Commander, and most full-size 1911 frames chambered in .45 ACP, 9mm, .38 Super, and 10mm.
- Ideal Rebuild or Build Part — A core component for refreshing a worn duty pistol or assembling a 1911 from a stripped frame and parts kit.
- Requires Fitting — Like all quality 1911 safeties, final fit to the sear and frame should be performed by a qualified gunsmith for safe, reliable operation.
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Customer Reviews
Top customer reviews
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Great! Super fast shipping.Looks great, seems to be of high quality and it's a great value for the cost. Seller kept engaged through the entire process. Very pleased, thank you.
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Exactly what I neededGood quality, nice looking original looking thumb safety. Great value in new condition.
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Very happy.Item as pictured and described, prompt shipment and well packaged. Mil-Spec M1911A1 Safety was a perfect and fully functional drop in fit to my Rock Island .45 G.I. I will be buying another.
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1911 thumb safetyI purchased a total of 3 1911 thumb safety's. All dropped in my 1911a1s with no difficulties. Perfect fit. Totally happy with this product. Fast shipping from Keep Shooting!
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PerfectPerfect drop in safety. Appears to be a good phosphate finish and above all the price can not be beat.
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