Springfield Armory M1A Castle Nut Set Screw
$16.66
$18.46
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$1.80
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The Springfield Armory M1A Castle Nut Set Screw is a small but critical fastener for owners maintaining or assembling their M1A rifle. Whether you're doing a complete rebuild, replacing worn hardware, or setting up a new upper assembly, this set screw is the kind of part you need on hand to keep your rifle running reliably. It's the genuine Springfield component—not an aftermarket substitute—so you know it meets the exact tolerances and finish your rifle was designed for.
M1A platforms have been trusted by shooters and hunters for decades, and they demand quality parts that fit right the first time. This castle nut set screw is a straightforward replacement piece that ensures proper assembly of critical components. Keep one or two spares in your parts kit; they're small enough to toss in a range bag, and having the right part when you need it beats improvising or waiting for a shipment.
If you work on your own rifles, reload ammunition, or just like to maintain your gear in top condition, sourcing OEM Springfield Armory hardware beats hunting through generic suppliers or settling for unknowns. This is the kind of detail that separates careful shooting from guesswork.
Key Features
- Genuine Springfield Armory OEM part
- Designed for M1A rifle assembly and maintenance
- Reliable, precise fit
Frequently Asked Questions
Will this castle nut set screw work on my M1A?
Yes. This is the genuine Springfield Armory component designed for M1A rifles. If you own an M1A and need to replace or service your castle nut hardware, this is the correct part.
Do I need special tools to install this?
Basic gunsmithing tools are helpful for M1A work, but we don't have specific installation instructions in our records. We recommend consulting the rifle's manual or a qualified gunsmith if you're unfamiliar with the assembly.
Is this just the set screw, or does it come with the castle nut?
This is the set screw only. It's a small fastening component; if you need the full castle nut assembly, that would be a separate item.
