USED FAB Defense Aluminum Tactical Rail System - RPK Black FX-VFRRPK. This Picatinny Rails has same size as original handguards so weapon handling remains the same. RPK Rail System from FAB Defense mounts easily with no gunsmithing. FAB Defense Rail System for RPK constructed from lightweight and strong hard-coated anodized 6061 T6 aircraft aluminum with MIL-STD-1913 rails. In addition this Picatinny Rails from FAB Defense will not move or vibrate on the weapon under any conditions. Specifications for FAB Defense Aluminum Tactical Rail System: Manufacturer: FAB Defense Color: Black Length: 6.42 in 163 mm Width: 2.36 in 60 mm Height: 61 mm 2.4 in Weight: 0.728 lb 330 g Features of FAB Defense Aluminum Tactical Rail System: Replaces the original handguards and enables the operator to mount accessories on the RPK Has same size as original handguards so weapon handling remains the same Mounts easily with no gunsmithing Will not move or vibrate on the weapon under any conditions Constructed from lightweight and strong hard-coated anodized 6061 T6 aircraft aluminum with MIL-STD-1913 rails Package Contents: FAB Defense Aluminum Tactical Rail System FAB Defense Aluminum Tactical Rail System Black - RPK Rifle - RPKB