Experience the performance and innovation of the Tisas PX series in the powerful and versatile 5.7x28mm cartridge. The PX-5.7 Raptor OR features a lightweight and ergonomic polymer frame. Ambidextrous slide stop levers and a reversible magazine release make it adaptable for both right- and left-handed shooters. The refined GEN3 trigger with an integrated safety bar offers a crisp tactile break for consistent shooting. Equipped with a fiber optic front sight and black serrated rear sight in a GlockA(R)-compatible pattern provides a wide range of aftermarket sight options. The Optics Ready (OR) model comes factory-cut for direct mounting of RMSc pattern optics.Features: Fluted Heavy Barrel w/ 11Adeg Target Crown QPQ/Tenifer Slide & Barrel Ambi Slide Lock Lever RMSc Direct MountSpecificaions: Action Type: Semi-Auto Operation: Striker Fired Caliber: 5.7x28MM Frame/Receiver - Slide Finish: Polymer - QPQ Tenifer Sights: Fixed - Rear Black - Front Fiber Optic Optics Ready/Cut: N/A Capacity (w/ Included Mags): 20+1 Barrel Length: 4.8" Threaded: N/A Barrel Finish: QPQ Tenifer OAL: 8.5" Height: 5.55" Width: 1.38" Weight (Unloaded): 1.57 lbs.