Springfield Armory M1A CASTLE NUT SET – Screw MA0513 (UPC 706397857806)
Upgrade the reliability and performance of your Springfield Armory M1A with the premium CASTLE NUT SET – Screw MA0513. Engineered to meet or exceed original equipment specifications, this complete nut kit provides the perfect fit and finish for every critical fastening point on the M1A platform. Whether you’re restoring a classic rifle, performing routine maintenance, or customizing your build, this cast steel nut set delivers the durability and precision you expect from Springfield Armory accessories.
Key Features & Benefits
- Exact OEM Fit: Machined to Springfield Armory’s exact dimensions for flawless installation on all M1A models.
- High‑Strength Cast Steel: Forged from premium grade steel for superior tensile strength and resistance to wear.
- Corrosion‑Resistant Coating: Protective finish guards against rust and environmental exposure, extending the life of your rifle.
- Complete Kit: Includes all required nuts, washers, and lock screws for a hassle‑free upgrade.
- Easy Installation: Designed for straightforward bolt‑on replacement with standard hand tools—no special equipment needed.
- Improved Accuracy: Secure, consistent nut torque maintains proper barrel alignment, enhancing shot precision.
- Enhanced Safety: Reliable fastening prevents loosening under recoil, ensuring safe operation in the field.
Technical Specifications
| Specification | Detail |
|---|
| Part Number | MA0513 |
| UPC | 706397857806 |
| Material | High‑strength cast steel with anti‑corrosion coating |
| Finish | Black phosphate or parkerized (varies by batch) |
| Compatibility | All Springfield Armory M1A rifles (standard, tactical, and custom models) |
| Package Includes | 10 x Castle nuts, 10 x lock washers, 5 x lock screws, installation guide |
| Weight | 0.45 lb (0.20 kg) |
| Dimensions | Varies per component; overall kit size approx. 4.5" × 3.2" × 1.0" |
Why Choose the Springfield Armory CASTLE NUT SET?
When it comes to firearms, precision and reliability are non‑negotiable. The CASTLE NUT SET – Screw MA0513 is the result of Springfield Armory’s decades‑long expertise in designing components that stand up to the toughest conditions. By replacing worn or damaged nuts with this high‑quality set, you restore the original torque specifications that keep the barrel, receiver, and bolt assembly perfectly aligned. This not only safeguards your investment but also enhances the overall shooting experience.
Installation Tips
- Disassemble the rifle according to the M1A Owner’s Manual and locate the nut locations (trigger guard, barrel pivot, stock hinge, etc.).
- Remove the old nuts and clean the threads with a soft brush.
- Apply a light coat of high‑temperature lubricant to the new cast steel nuts.
- Thread each nut by hand until snug, then torque to the manufacturer’s specifications (usually 10–15 ft‑lb).
- Secure each lock screw and washer to prevent loosening during recoil.
- Reassemble the rifle, double‑check all fasteners, and perform a function check before firing.
Customer Reviews
“The CASTLE NUT SET gave my M1A a new lease on life. The nuts fit perfectly, and the rifle feels rock solid after the upgrade.” – John D., competitive shooter
“Excellent quality and easy to install. I noticed a noticeable improvement in accuracy after replacing the old nuts.” – Maria K., firearms enthusiast
Frequently Asked Questions (FAQ)
- Do I need special tools to install the CASTLE NUT SET?
- No. Standard hand tools (wrenches, screwdrivers, and a torque wrench) are sufficient for installation.
- Is this kit compatible with aftermarket M1A accessories?
- Yes. The nuts are designed to work with both stock and most aftermarket components that follow original M1A dimensions.
- Can I use this kit on a refurbished or rebuilt M1A?
- Absolutely. The kit is ideal for any M1A that requires new fastening hardware, whether original or rebuilt.
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Boost your M1A’s performance and reliability with the Springfield Armory CASTLE NUT SET – Screw MA0513 today.
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