AUKMONT Tactical Quick QD CNC 6.5-9.5 Inch Bipod Flat Adjustable Two Screw Standard Hunting Airsoft This bipod fits 20mm Rail & Adjustable Leg Lengths: 6.5-9 inch lever. Leg can turn 30 ,45, 90, 180 degree, release easily Legs move independently and can be deployed in a 45 degrees position either forwards or backwards Throw lever style quick release mount bracket attaches to any standard 20mm Picatinny rail Bipod adjustable leg and shrink / fold buttons give bipod a height range from 6.5 "to 9.5". Bipod has 5 modes to adjust angle, max degree of 270