Product Description The CVA Optima XP SB is a compact, modern in-line muzzleloader built for hunters who demand performance, versatility, and reliability in the field. Chambered in .50 caliber, it features an 18-inch stainless steel fluted barrel with a nitride finish and a 1:28" twist rate, optimized for stable flight of heavy saboted projectiles. The Mil-Spec adjustable buffer tube stock with bolt-on cheek risers and pistol grip delivers exceptional ergonomics and a customizable fit for any shooter. An integrated 0 MOA Picatinny rail enables fast and secure optics mounting right out of the box, while the Quick Release Breech Plug (QRBP) simplifies field cleaning and maintenance. With a compact 31" overall length and an adjustable length of pull from 11" to 14", the Optima XP SB is purpose-built to perform in dense cover, tight terrain, and all-weather hunting conditions. Product Highlights 18" stainless steel fluted barrel with nitride finish and 1:28" twist rate for superior accuracy with heavy projectiles Mil-Spec adjustable buffer tube stock with bolt-on cheek risers and pistol grip for a personalized, ergonomic fit Integrated 0 MOA Picatinny rail for fast, secure optics mounting straight out of the box Quick Release Breech Plug (QRBP) for easy, tool-free field maintenance and cleaning Compact 31" overall length and adjustable 11"-14" length of pull for superior maneuverability in tight environments Specs Brand: CVA (Connecticut Valley Arms) Model: Optima XP SB Muzzleloader MPN: PR2045NM UPC: 043125002542 Caliber: .50 Caliber Barrel Length: 18" Barrel Material: Stainless Steel, Fluted Barrel Finish: Nitride Black Twist Rate: 1:28" Action: Single Shot, In-Line Capacity: 1 Overall Length: 31" Length of Pull: 11" - 14" Stock: Mil-Spec Adjustable Buffer Tube, Bolt-On Cheek Risers, Pistol Grip - Black Synthetic Receiver: Black Nitride Drilled and Tapped Steel Sights: None (Drilled and Tapped) Rail: 0 MOA Picatinny Rail Finish: Nitride Black Breech Plug: Quick Release Breech Plug (QRBP) 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.