Blasters3D RB6S R4-C Handguard for M4A1-V8 Gel Blaster - Cosplay Ash Agent Operator - Mock Muzzle Mod for Rainbow Six: Siege Video GameThis handguard is featured in the Rainbow Six: Siege video game. In the game, R4 C assault rifle, used by Ash, has this handguard. This handguard attaches to the front of the M4A1 V8 gel blaster to convert it to the R4 C. Now you can build a gel blaster with this handguard to cosplay Ash. This handguard actually has working rails, so you can mount most Picatinny accessories to it. It also has a replaceable muzzle thread (14mm ), which allows you to