SPECS: 633nm Class IIIa red laser, 5 mW peak output. Includes batteries, Allen wrenches, mounting hardware, and instructions. Vertical Foregrip - Aluminum frame, anodized, and molded rubber, black. Fits Picatinny and Weaver-style rails. Pistol Grip/Upper Receiver - Polymer frame, molded rubber, black. Fits carry-handle rifles with A1/A2 receivers; will not fit A3 flattops.