M3 Harris-Style Spring Release Bipod kjw-kj-works Electronically Controlled Gearbox: The new

Electronically Controlled Gearbox: The new gearbox is controlled by an ECU to help reduce the number of electrical and mechanical parts

fit should be firm and snug

which is similar to a real steel magazine

The slide and frame are full metal and powder coated in a nice jet-black color

Compatible with Classic Army M249 Box Magazines (sold separately)

M3 Harris-Style Spring Release Bipod kjw-kj-works Electronically Controlled Gearbox: The newHeavy duty and made of hardened steel and aluminum. With a non rusting black anodized finish. Ajustable leg length (5 settings) with return springs. Compact and light weight. Quickly attach or detach from the rifle using the existing swivel stud. This bipod does not have a swivel top and does not tilt from side to side. Adjustable height & foldable arms with spring tension, leg height: 6 to 9 inches.