Product DescriptionUpgrade your pistol with the Rosco Manufacturing Bloodline barrel built to fit the Glock 43X. This drop-in, match-grade barrel is engineered to enhance accuracy and overall performance while maintaining a straightforward installation process (consult a qualified gunsmith if you have any questions). Manufactured from 416R stainless steel, each barrel is broached, honed, and polished, then treated with a Melonite (nitride) finish for durable, corrosion-resistant performance. Rated for use with SAAMI-approved, factory-new ammunition.Product Highlights Drop-in, match-grade pistol barrel designed to improve accuracy and performance 416R stainless steel construction with Melonite/nitride black finish for durability Broached, honed, and polished for consistent rifling and smooth function 3.4-inch overall length with 1:10 twist rate (9mm) Fitment: Glock 43X Specs Brand: Rosco Manufacturing Model/Line: Bloodline Type: Pistol barrel Caliber: 9mm Fitment: Glock 43X Overall Length: 3.4 in Twist Rate: 1:10 Material: 416R stainless steel Finish: Melonite (nitride), black Ammunition Rating: SAAMI-approved, factory-new ammunition Manufacturer Part Number: BL-G43-9MM-M-STD UPC: 850039693021 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.