Arsenal Plunger Pin / Retainer Pin Spring for UR / SFK Type Front Sight Block KR-206B.

Arsenal Plunger Pin / Retainer Pin Spring UR / SFK Front Sight Block KR-206B Arsenal Plunger Pin / Retainer Pin Spring for UR / SFK Type Front Sight Block KR-206B The Arsenal Plunger Pin / Retainer Pin Spring for UR / SFK Type Front Sight Block KR-206B is a genuine factory replacement part designed for Arsenal rifles equipped with UR (Underfolder) and SFK type front sight blocks. This high-quality plunger pin and spring assembly is essential for maintaining proper function of the front sight post and gas block assembly on compatible Arsenal stamped receiver rifles. Manufactured to exact factory specifications, the KR-206B ensures reliable operation and precise fitment. Precision Engineered for Arsenal Rifles The KR-206B plunger pin and spring are specifically designed for Arsenal UR and SFK front sight blocks. This component plays a critical role in securing the front sight post while allowing for proper windage and elevation adjustments. Using an OEM-quality part like the KR-206B ensures that your rifle maintains its original performance characteristics and reliability. Key Features of the Arsenal KR-206B Plunger Pin Spring Model: KR-206B Compatibility: UR / SFK Type Front Sight Blocks Function: Plunger Pin and Retainer Spring Material: High-Strength Steel Finish: Black Oxide Best Use: Replacement Part for Arsenal Rifles Function and Importance The plunger pin and spring assembly works together to apply consistent pressure on the front sight post, keeping it securely in place during operation. Over time, these small components can wear out, become damaged, or lose tension, leading to loose sight posts or difficulty adjusting windage. Replacing them with the genuine Arsenal KR-206B restores proper function and ensures your front sight block operates as intended. Compatibility This part is designed to fit Arsenal rifles featuring UR (Underfolder) and SFK type front sight blocks. It is commonly used on various Arsenal stamped receiver models, including those with underfolding stocks and specific front sight configurations. Always verify compatibility with your specific rifle model before purchase. Specification Details Brand Arsenal Part Number KR-206B Part Type Plunger Pin / Retainer Spring Compatibility UR / SFK Front Sight Block Material Steel Finish Black Oxide Best Use Replacement Part Why Choose the Arsenal KR-206B Plunger Pin Spring? The Arsenal Plunger Pin / Retainer Pin Spring KR-206B is the ideal choice for maintaining the reliability and accuracy of your Arsenal rifle. Using genuine factory parts ensures proper fitment, consistent performance, and long-term durability. Whether you are performing routine maintenance, restoring a rifle, or replacing worn components, the KR-206B provides the quality and precision expected from Arsenal. Restore proper function to your Arsenal front sight block with the genuine KR-206B Plunger Pin and Spring assembly. A critical replacement part for UR and SFK type front sight blocks. The End