Protect your AK-pattern rifle's precision-machined muzzle threads with the Arsenal Inc. Barrel Nut / Thread Protector, engineered by Arsenal Bulgaria for reliable, long-term performance. This OEM-quality muzzle device safeguard is specifically designed for 14x1mm left-hand threads, ensuring a secure fit that prevents damage during transport, storage, or range use. Key Features Precision M14x1.0 LH Threads - Factory-cut left-hand threading matches Arsenal and compatible AK barrels for a snug, vibration-resistant fit without cross-threading risk. Durable Manganese Phosphate Finish - Provides superior corrosion resistance and a non-reflective matte surface ideal for tactical environments. Compact OEM Design - Measures approximately 0.5 inches in length with a 0.6-inch diameter, adding minimal weight (0.7 oz) while fully covering and protecting exposed threads. 7.62x39mm Compatibility - Optimized for standard AK-47/AKM platforms using this thread pattern, maintaining compatibility with future muzzle devices. Why Choose This Thread Protector Exposed barrel threads are vulnerable to dirt, moisture, and impact that can compromise suppressor or brake installation down the line. This Arsenal Bulgaria thread protector solves that pain point by delivering authentic factory protection, preserving thread integrity and ensuring your rifle remains ready for any configuration. Its robust construction withstands repeated installation/removal cycles without marring the finish or threads. Specifications Muzzle Device Type: Thread Protector / Barrel Nut Threads: M14x1.0 Left Hand Cartridge Compatibility: 7.62x39mm Finish: Manganese Phosphate Weight: 0.7 oz Dimensions: 0.5 in (L) x 0.6 in (W) x 0.6 in (H) Origin: Arsenal Bulgaria Invest in genuine Arsenal quality to keep your rifle's muzzle threads in pristine condition for years of reliable service.