Centerfire series of AR-type pistols, chambered in 5.7x28mm or .30 Carbine. Magazine capacity: 25-rounds 5.7; 20-rounds .30 Carbine; 10-rounds where required by law. Features are similar to X-22 model, except barrel length is 8.5", overall length 16". Rifle variation with 18" barrel is also available, with comparable values.