Madbull Airsoft Noveske Lic. Outer Barrels with Noveske Gas Block and Gas tube for M4/M16 Length:8.5" 03 Precision Inner Barrel -

03 Precision Inner Barrel - 363mm for M4 (HP-03-06)(4713072164704)

Baton Soft for 0

but it looks great with any other M4 front end

Specifications: Manufacturer Part#: G4Material: CNC Nickel Chromium Molybdenum Steel Click here for Gear Installation NotesNote: Professional Installation of Siegetek Gears Highly Recommended

Madbull Airsoft Noveske Lic. Outer Barrels with Noveske Gas Block and Gas tube for M4/M16 Length:8.5" 03 Precision Inner Barrel -The officially licensed Noveske outer barrels are modeled after Noveske's own line of stainless steel barrels that are highly regarded by shooters for their high quality constructions and polygonal rifling. The original Noveske Rifleworks stainless steel barrels have a bead blasted finish and bull barrel design. With lengths starting from the 7. 5" Diplomat to the 18" SPR barrel, the Madbull Airsoft fully licensed Noveske Rifleworks barrels are great