The Shilen AR-15/M16 MATCH BARREL/BOLT SET delivers a precision-built solution for AR-15 platforms, featuring a 20'' stainless steel barrel with a 1-8 twist and a drop-in contour that pairs seamlessly with a rifle gas system for reliable, consistent performance. This stainless finish set is engineered for the AR-15 to optimize accuracy and barrel rigidity, while the 223 Wylde chambering unlocks enhanced compatibility with both 5.56 NATO and .223 Remington ammunition, offering improved chamber support and velocity consistency for matched groups. The 3.5 lb barrel assembly provides a balanced profile that resists heat soak during extended shooting sessions, making it a strong choice for match-grade builds, varmint hunting, or serious plinking where precision counts. The included bolt set complements the match-grade barrel, ensuring smooth lug engagement and repeatable lockup. With its drop-in fit and high-quality materials, this combination is designed to maximize accuracy and shooter confidence, enabling reliable semi-automatic operation and tight sub-MOA performance when paired with a properly tuned rifle system. Whether upgrading an existing build or pursuing a dedicated match rifle, this Shilen barrel/bolt set stands out for durability, consistency, and precision potential.