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NBS AR-15 1/2 x 28 Slotted Thread Protector

NBS AR-15 1/2 x 28 Slotted Thread Protector

NBS · Muzzle Devices

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$5.95at AR15Discounts

checked Oct 31, 2026

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Dashed line = out of stock. Tracking since Oct 28, 2026.

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About this part

The NBS AR-15 1/2 x 28 Slotted Thread Protector is a thread protector from NBS. One store lists it, AR15Discounts at $5.95.

Fits and works with

Muzzle thread
1/2x28 · Muzzle devices

Specifications

Manufacturer
NBS
Type
Thread Protector
Thread pattern
½ x 28

From the manufacturer

Shield your AR-15 barrel from everyday hazards with the NBS AR-15 1/2 x 28 Slotted Thread Protector. Designed for discerning shooters who value precision and protection, this compact accessory ensures your muzzle threads remain pristine during storage, transport, or range sessions without a muzzle device attached. Say goodbye to accidental dings and thread stripping that can compromise accuracy and require costly repairs-invest in reliable defense for your firearm today. Key Features Slotted Design for Easy Handling: The innovative slotted profile allows for quick installation and removal using a standard wrench or even by hand, saving you time and frustration during maintenance. Precision Threading: Perfectly machined to fit 1/2" x 28 standard AR-15 threads, providing a secure, wobble-free fit that maintains barrel integrity. Durable Construction: Crafted from high-quality steel with a corrosion-resistant black oxide finish, it withstands harsh environments and repeated use without showing wear. Specifications Thread Size: 1/2" x 28 (standard for .223/5.56 AR-15 barrels) Finish: Matte black for low-profile aesthetics Why Choose the NBS Slotted Thread Protector? In the world of tactical firearms accessories, protecting your investment starts at the muzzle. Exposed threads on AR-15 barrels are vulnerable to impacts from gear bags, holsters, or rough handling, potentially leading to misalignment or the need for re-threading. This NBS protector addresses these pain points head-on by offering a robust barrier that preserves thread quality, ensuring optimal performance when you swap in suppressors, flash hiders, or compensators. Unlike basic caps, its slotted design enhances grip for effortless changes, while the lightweight build keeps your rifle balanced for extended shooting. Ideal for AR enthusiasts, hunters, and competitive shooters, it's a small addition with big benefits-enhancing longevity and reliability without compromising your setup's sleek look. Don't let unprotected threads derail your next outing. Equip your AR-15 with the NBS Slotted Thread Protector and experience peace of mind on every shot. Order now to safeguard your barrel and elevate your firearm maintenance game. Frequently Asked Questions Q: Will this thread protector fit my AR-15 with a standard 1/2 x 28 barrel? A: Yes, it's specifically engineered for 1/2" x 28 threads, the most common size on AR-15 rifles chambered in .223 or 5.56 NATO. Q: How do I install the slotted thread protector? A: Simply screw it onto the muzzle threads by hand or with a wrench using the slots for leverage. No special tools are required, and it installs in seconds. Q: Is the material resistant to rust and corrosion? A: Absolutely-the steel construction features a black oxide finish that provides excellent protection against moisture and environmental exposure.

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