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Springs are the unsung workhorses of any 1911, and after enough rounds down range they start to lose their snap without you ever really noticing until something starts running a little rough. Nighthawk Custom put together this kit specifically for Government length .45 ACP pistols so you can knock out a full spring refresh in one trip to the bench instead of piecing it together part by part.
This kit gives you two 17 lb standard recoil springs for everyday range loads, plus a 20 lb extra power recoil spring for those running hotter +P defensive ammo. You also get a 19 lb reduced power mainspring for a lighter, smoother trigger pull, and an extra power firing pin spring to help with consistent ignition. Everything is machined from high tensile spring steel, which is the same standard Nighthawk holds their factory-built 1911s to.
A lot of guys don't think about their springs until the gun starts short-stroking or the slide isn't locking back right, but by that point you've usually already been running on tired steel for a while. Swapping in fresh springs on a regular basis is one of the simplest ways to keep your pistol feeding, extracting, and ejecting the way it was designed to, and it takes a lot of the wear off your frame and slide rails in the process. This kit gives you the flexibility to match your recoil spring weight to whatever you're actually shooting, whether that's standard pressure range ammo or +P self defense loads.
Whether you're maintaining a well-loved carry gun, rebuilding a project 1911, or just doing your yearly spring swap out of habit, this kit has what you need in one package. It's a straightforward job for anyone comfortable field stripping a 1911, though a lot of folks still like to have a gunsmith handle the install just to be safe.
No, this kit is built specifically for Government length 1911s with a 5-inch barrel. Nighthawk Custom sells a separate kit, the SP0400, for Commander length guns, so double check your barrel length before ordering.
A lot of pistolsmiths recommend swapping recoil springs every couple thousand rounds, since they lose tension well before they visibly look worn out. If your slide is cycling harder than usual or you're seeing more wear on the frame rails, that's usually a sign it's time.
If you're comfortable field stripping your 1911 down to the recoil spring assembly and mainspring housing, this is a manageable DIY job with basic tools. That said, plenty of owners still prefer to have a gunsmith handle it, especially the mainspring housing, just to make sure everything seats correctly.
The kit includes a 20 lb extra power recoil spring that's meant for hotter +P loads, while the two 17 lb springs are better suited to standard pressure range ammo. Running the heavier spring with standard ammo can cause the slide to short-stroke, so match the spring to what you're actually feeding it.
| UPC | 080683001488 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SP0401 |
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