"The Barra Airguns 250z PCP Bolt-Action Air Rifle delivers 1,000 fps velocity and big power in a highly adaptable package. The 250z's pre-charged pneumatic system and externally adjustable regulator give you the power to fine-tune every shot. The 6-position stock is adjustable for both length of pull and cheek height, so you can dial in the ideal fit. And with a 2-stage trigger and adjustable hammer spring, you have full control over the rifle's power and efficiency. M-LOK forend for accessories. AR-style vertical pistol grip. 3,624 psi fill and 322cc air reservoir. 27"" barrel features 1/2""-20 threading for a suppressor. Includes two 10-shot magazines, single-shot tray, fill probe, and spare O-rings. Pre-charged pneumatic power plant Up to 1,000 fps velocity Externally adjustable regulator 6-position polymer stock with length-of-pull and cheek piece adjustments 2-stage trigger Hammer spring adjustment 1/2""-20 threaded barrel accepts a suppressor 3,625 psi fill and 322cc air reservoir Includes two 10-shot magazines"