Mfg Item #: UP6SST
APF 243 FIELD COMPLETE UPPER INCLUDES: - CALIBER: 243 WIN - BARREL: 20 4140CM 1/10 TWIST MEDIUM CONTOUR CEREKOTE - BCG: AR10 NICKEL BORON - MUZZLE DEVICE: TARGET CROWN - GAS SYSTEM: RIFLE - RAIL: APF 15.5 MLOK
