Anderson Quality Spring is a "Made in America" manufacturer of custom springs and wire forms. We are registered ISO9001 and IATF16949. We offer in-house design/engineering assistance and prototyping. At AQS our capabilities span a wide variety of wire sizes/materials in both round and shaped wires. We serve all industries including the firearm and firearm accessory industries with expertise covering AR, Glock, 1911, sporting rifles, pistols, triggers, magazines, and other gun and related products.