7.62x39mm 123gr Full Metal Jacket Wolf WPA Polyformance Ammo. Wolf 7.62x39 ammo, perfect for your AK's and SKS's. Wolf 7.62x39 123gr Bi-Metal FMJ. Now even better performance! Advanced technology polymer coatings makes Wolf 7.62x39 ammo the choice for high volume shooters. Available in the most popular calibers, the Wolf Polyformance line makes for a great day at the range and in the field. This is perfect range ammo for your AK-47, SKS, and other 7.62x39mm rifles. 100% new Polymer Coating! Shoot with confidence and Wolf's unmatched reliability backed by the industries only 100% Performance Guarantee! Wolf pistol ammunition is an excellent choice for high volume target or plate competitions where consistency, accuracy and reliability are needed shot after shot. Wolf pistol ammunition is 100% non-corrosive and features a Bimetal jacketed projectile which results in less barrel wear and preserves the life of valuable firearms.