KCI AR-15 100 Round Drum Magazine KCI AR-15 100 Round Drum Magazine For Sale AR-15 Dual Drum Magazine for M-16/M-4. Manufactured in Korea with the finest. The AK-47 is a selective-fire, gas-operated 7.62×39mm assault rifle, first developed in the USSR by Mikhail Kalashnikov. It is officially known as Avtomat Kalashnikova. Find Norinco firearms for sale at GunBroker.com, the world's largest gun auction site. You can buy Norinco firearms with confidence from thousands of sellers who list. Saiga 12 For Sale - 155 results like Saiga 12 Barrel Shroud Claw, UTAC® AK Saiga 12 Weaver/Picatinny Quad Rail Handguard 18 Rubber Covers, Saiga 12 Barrel Shroud.