1911 Hammer
The United Defense 1911 Hammer is a newly manufactured MIL-SPEC replacement hammer for government-pattern 1911 pistols. It features a classic spur profile, hardened steel construction, and a corrosion-resistant black oxide finish that matches standard 1911 internals. Whether you're assembling a fresh build, restoring a classic .45 ACP, or keeping a spare on the bench, this hammer drops into any standard 1911 frame. A solid, no-nonsense replacement part for armorers, builders, and 1911 owners who want to keep their pistol running.
In stock
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- SKU
- 1911HRS
$21.95
$12.95
Description
Features
- MIL-Spec 1911 Replacement Hammer — Built to original GI specifications for drop-in compatibility with standard government-pattern 1911 pistols.
- Spur-Style Profile — Classic spur hammer geometry delivers a positive thumb-cock and the traditional 1911 silhouette.
- Black Oxide Finish — Corrosion-resistant black oxide coating protects against rust and matches factory MIL-SPEC frame components.
- Hardened Steel Construction — Heat-treated steel body stands up to repeated cycling and consistent sear engagement over the life of the pistol.
- Factory-New Production — Newly manufactured part — not a pull from a parts gun — for predictable fit and finish.
- .45 ACP Platform Ready — Sized and contoured for the standard .45 ACP 1911 frame and full-size hammer pocket.
- Builder & Armorer Friendly — Ideal for new 1911 builds, parts-kit assemblies, or refurbishing a worn classic pistol.
- May Require Fitting — Some pistols, particularly those with beavertail grip safeties, may require minor gunsmith fitting for proper clearance.
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Customer Reviews
Top customer reviews
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Great hammer, stupid good dealI grabbed this hammer on sale for my 1911 build and honestly, I wasn’t expecting much for twelve bucks. But man, this thing is solid. The finish matches my other parts perfectly, and the fit was dead-on no filing or fitting needed. The spur gives a nice positive grip, and the black oxide feels durable.
For the price, it’s a no-brainer if you need a reliable replacement or spare.
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works goodFirst one dropped right into my 1911 build no issues so I ordered a second one to keep on the bench but the black oxide finish had a slightly lighter spot near the spur otherwise solid part.
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No HassleOnce installed, the hammer gives a clean break and the hammer spring is just right for my 10‑round mag. I've put it through 800 rounds with no binding or wear. Definitely worth the cash for the reliability.
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Great Upgrade For My 1911Dropped this hammer into my RIA tactical and what a difference. Trigger pull feels way cleaner and the reset is noticably crisper. Put about 300 rds through it last weekend with zero issues. Fit was tight but not so tight I needed to do any fitting with a file.
No fitting required on my RIA
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Highly recommendSwapped this in my RIA 1911 and it's been flawless through about 500 rounds now. Crisp trigger reset and no issues whatsoever. This is a quality part at a fair price.
Smooth operation
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