Made in the usa, the ms1 ms4 adapter can be combined with the ms1 sling and qd sling swivel (mag540) to provide fast transition between one-point and two-point configuration.It has a heavy-duty push-button qd sling swivel for one-point attachment and qd sling swivels and ambidextrous qd shackle allows easy convertibility and provides weapon quick-release capabilities in an emergency.It also features a custom 1.25 inch wide nylon webbing material and colored webbing has near infrared (nir) treatment to reduce ir signature.Rear mounting works with receivers, end plates, and buttstocks that have a push-button qd socket for one-point attachment.Color: Ranger GreenMaterial: Steel