Protect your AK-74 type front sight block threads with the Arsenal Inc. Barrel Nut / Thread Protector, engineered specifically for 24×1.5mm right-hand threads. This precision-machined component serves dual duty as both a secure barrel nut and reliable thread protector, ensuring your muzzle threads remain undamaged and free from debris when a muzzle device is not installed.
Key Features
- Precise Threading: 24×1.5mm right-hand threads designed exclusively for AK-74 style front sight blocks
- Durable Finish: Manganese phosphate coating provides superior corrosion resistance and a non-reflective tactical appearance
- Steel Construction: High-strength steel ensures long-term durability under demanding conditions
- Compact Design: Minimal profile adds negligible length and weight while delivering maximum protection
Specifications
- Thread Size: 24 × 1.5mm RH
- Cartridge Compatibility: 7.62x39mm
- Finish: Manganese Phosphate
- Weight: 1 oz
- Dimensions: 0.5″ L × 1″ W × 1″ H
Why Choose This Thread Protector
AK owners frequently face the challenge of exposed muzzle threads that can collect dirt, suffer impact damage, or corrode over time. This Arsenal Inc. protector solves those issues by providing a snug, factory-fit barrier that installs quickly and removes easily when you need to attach a brake, compensator, or suppressor. The manganese phosphate finish not only resists rust but also maintains the tactical aesthetics expected in professional and recreational firearms setups. Whether you’re maintaining a duty rifle or customizing a range toy, this component delivers reliable thread security without adding unnecessary bulk.
Built to Arsenal’s exacting standards, the barrel nut / thread protector integrates seamlessly with AK-74 type front sight blocks, ensuring proper alignment and function every time. Its straightforward design eliminates guesswork during installation while offering repeatable, tool-free operation for field maintenance.
Installation and Use
Simply thread the protector onto the front sight block until hand-tight. The compact size allows it to sit flush, protecting threads without interfering with handguards or other accessories. Remove as needed for muzzle device changes—no special tools required in most cases.

