Steel Barrel Extender Thread Adapter - Multiple Sizes & Thread Pitches

AIM7 Steel Barrel Extender Thread Adapter 1/2x28 5/8x24 1/2x36 Black Nitride QPQ

Upgrade your setup with precision-engineered steel barrel extensions. Designed to give extra clearance for larger muzzle accessories, handguards, and custom fits without sacrificing weight or handling. Precision machined from durable steel with a corrosion-resistant Black Nitride QPQ finish to match standard factory barrels.

KEY FEATURES:

• Clearance & Fit: Provides essential spacing to achieve the perfect handguard, barrel, or compensator alignment.

• Easy Installation: Integrated wrench flats for quick, secure installation and removal.

• Nitride QPQ Finish: Premium heat-treated black nitride finish matching quality factory components.

• Multiple Sizes: Available in 0.75", 1.00", and 1.25" extension lengths.

SPECIFICATIONS:

• Material: Machined Steel

• Finish: Black Nitride (QPQ)

• Outer Diameter: 0.754"

• Bore Diameter: 0.372"

• Weights:

  • 0.75" Length: 1.06 oz

  • 1.00" Length: 1.38 oz

  • 1.25" Length: 1.78 oz

COMPATIBILITY BY THREAD PITCH:

• 1/2x28 TPI: Suitable for standard .22LR and 5.56 / .223 platforms.

• 1/2x36 TPI: Suitable for standard 9mm platforms with 1/2x36 threading.

• 5/8x24 TPI: Suitable for .308 / .30 Caliber / 300 BLK platforms.

Note: Not intended for projectile diameters exceeding 0.372" bore clearance.

SHIPPING RESTRICTION & COMPLIANCE DISCLAIMER

California Shipping Policy (AB-1263): Due to regulatory compliance under California Assembly Bill 1263 (AB-1263), we do not ship this item to addresses within the state of California. Orders placed with a California shipping address will be canceled and refunded.

eBay Compliance & Legal Disclaimer: This item is a standard non-regulated threading adapter / barrel extension accessory. It does not contain restricted components, quietening devices, or conversion parts. This item fully complies with eBay policy on hunting and firearm accessories. Buyers are responsible for ensuring compliance with all local, state, and federal laws regarding the attachment of thread adapters and accessories.