Each Modify Hybrid Barrel features a stainless steel base for a secure hop-up mount and a set of barrel grooves and two size o-rings which function as a barrel spacer. This model fits most carbine size AEGs, including M4s.
The 363mm Modify Hybrid Barrel is constructed of both stainless steel and high strength aluminum. The base of the barrel is stainless steel, and features multiple hop-up cuts to accommodate all types of hop-up units, including the TM M14. In addition, the included Modify Hop-Up Bucking has 3 internal ribs that match the grooves on the barrel, providing a tight, air-proof seal. The 363mm barrel is ideal for most carbine size rifles.
-Material: Stainless Steel and Aluminum
-Includes 2 O-ring barrel spacers
-Includes Modify Hop-up Bucking
-6.03mm Inner Diameter