Product DescriptionThe BLS Supply Diana Two-Fifty is a powerful .177 caliber (4.5mm Diabolo) air rifle designed for consistent performance and shooter-friendly handling. It features an adjustable trigger so you can tune feel and control to your preference, plus adjustable fiber optic sights for improved visibility and precision in a variety of lighting and weather conditions. An ergonomic thumbhole stock and rubberized butt plate help provide a stable, comfortable shooting position. For easy optics mounting, the rifle includes an 11mm prism rail, and this configuration includes a gas spring set.Product Highlights .177 caliber / 4.5mm Diabolo air rifle rated at 22 joules for strong downrange performance Adjustable trigger helps tailor pull characteristics to the shooter Adjustable fiber optic front and rear sights for clear sight picture in challenging conditions 11mm prism rail allows quick attachment of a compatible riflescope or optic Ergonomic thumbhole stock with rubberized butt plate for comfortable, stable shoulderingSpecs Brand: BLS SUPPLY Model/Series: Diana Two-Fifty Caliber: .177 / 4.5mm Diabolo Energy: 22 Joule Included: Gas Spring Set Sights: Adjustable fiber optic front & rear Trigger: Adjustable Stock: Ergonomic thumbhole Optics Mount: 11mm prism rail UPC: 689585854811 Manufacturer Part Number: 25000205Disclaimer: 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.