Sterling 7.62x39mm 123 Grain Full Metal Jacket FMJ Steel Cased Rifle Ammo 20 Rounds. 62x39mm 123 Grain Full Metal Jacket FMJ Steel Cased Rifle Ammunition online at OpticsPlanet. This Sterling Ammunition features Full Metal Jacket (FMJ) bullets that deliver powerful stopping power perfect precision and consistency. With premium steel plastic cases loaded with full metal jacket (fmj) bullets. With daily deals on Ammunition and other superior rifle ammo from trusted brands like Sterling you re sure to find the ideal cartridge for your field or range use. Stock up today to save big on ammunition and other top-tier tactical hunting and outdoor gear at OpticsPlanet. Specifications for Sterling 7.62x39mm 123 Grain Full Metal Jacket FMJ Steel Cased Rifle Ammunition: Manufacturer: Sterling Caliber: 7.62x39mm Number of Rounds: 20 Bullet Type: Full Metal Jacket (FMJ) Bullet Weight: 123 grain Cartridge Case Material: Plastic Steel Muzzle Velocity: 2330 ft/s Package Contents: Sterling 7.62x39mm 123 Grain Full Metal Jacket FMJ Steel Cased Rifle Ammunition Sterling 8698779967284: 7.62x39mm 123 Grain Full Metal Jacket FMJ Steel Cased Rifle Ammo 20 Rounds