Guntec USA AR-15 Extreme Duty Wide Castle Nut For Car/M4 Buffer Tube Gold Plated CASTLE-EXD-GLD
Guntec Usa · Buffer Tubes & Springs
No ratings yetBest price
$59.99at OpticsPlanet
Out of stock checked Nov 3, 2026
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Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $59.99checked Nov 3, 2026 | Out of stock | Buy at OpticsPlanet |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
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Price history
Dashed line = out of stock. Tracking since Oct 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $59.99 | $59.99 | $59.99 |
Since Oct 27, 2026.
About this part
The Guntec USA AR-15 Extreme Duty Wide Castle Nut For Car/M4 Buffer Tube Gold Plated CASTLE-EXD-GLD is an AR-15 buffer part from Guntec Usa. One store lists it, OpticsPlanet at $59.99.
Specifications
- Manufacturer
- Guntec Usa
- Type
- Buffer Tube
- Platform
- AR-15
From the manufacturer
Guntec USA AR-15 Extreme Duty Wide Castle Nut For Car/M4 Buffer Tube Gold Plated CASTLE-EXD-GLD. The wide design of this AR15 Wide Castle Nut by Guntec USA makes the area around the buffer tube much less prone to snags and breakage greatly enhancing the strength and durability of the Nut. The Guntec AR15 Wide Castle Nut Car/M4 Buffer Tube is made with an enhanced design that provides the utmost strength and durability providing the customer with a quality product at an amazing value that will be long-lasting. For a great way to make sure you are shooting with some of the best possible equipment the rifle industry has to offer choose the Guntec Wide Rugged Extrme Duty Nut Car/M4 Buffer Tube. Specifications for Guntec USA AR-15 Extreme Duty Wide Castle Nut For Car/M4 Buffer Tube: Manufacturer: Guntec USA Gun Model: AR-15 Condition: New Included Accessories: None Fabric/Material: Steel Quantity: each Length: 1 in Diameter: 1.375 in Features of Guntec USA AR-15 Extreme Duty Wide Castle Nut For Car/M4 Buffer Tube Fits Mil-spec/Commercial Buffer Tubes Enhanced Design For Extreme Strength & Durability Package Contents: Guntec USA AR-15 Extreme Duty Wide Castle Nut For Car/M4 Buffer Tube The Guntec Usa Guntec Ar15 Castle Nut Wide Extreme Duty is a quality addition to the Guntec USA lineup. For more great deals on AR15 Lower Parts by Guntec USA please browse our GUNTEC USA Gun Parts page. What firearm models does the manufacturer say Guntec USA AR-15 Extreme Duty Wide Castle Nut For Car/M4 Buffer Tube is compatible with? The manufacturer suggests that Guntec USA AR-15 Extreme Duty Wide Castle Nut For Car/M4 Buffer Tube is compatible with AR-15Guntec USA CASTLE-EXD-GLD: AR-15 Extreme Duty Wide Castle Nut For Car/M4 Buffer Tube Gold Plated
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