Color: Matte black finish
Tread: -14mm (negative thread)
Compatibility: M4/M16 AEG Rifles
Material: Alloy Aluminum
outterbarrel outter barrel 10 10″ 10.3
The 8.7″ Alloy Aluminum outer barrel is a very light weight barrel. Excellent for CQB AEGs, -14mm thread, 8.00″ rails flush to the end and without adding extra weight like othesr steel outer barrels.