AirPower3D Muzzle Adapter Type I for Umarex TAC to Attach Nerf Modulus Barrels - Allows You to Use Blasters3D SciFi Muzzle Mods on Airgun and Airsoft Carbine Converter Color:Black gov/cgi-bin/retrieveECFR

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177 Cal Air Gun)

which uses what the US Army calls the High-Low Propulsion System to keep recoil forces low

Screw the set screw into the ICS Grenade Launcher just far enough so that it triggers the APS 870 Shotshell without putting excessive force on it

AirPower3D Muzzle Adapter Type I for Umarex TAC to Attach Nerf Modulus Barrels - Allows You to Use Blasters3D SciFi Muzzle Mods on Airgun and Airsoft Carbine Converter Color:Black gov/cgi-bin/retrieveECFRThis Airsoft3D product allows you to attach Blasters3D front barrels for Nerf blasters to your Umarex TAC carbine converter. This adapter screws onto the Umarex TAC muzzle. With this adapter, you can use any Blasters3D mock silencer and mock suppressor in front of the Umarex TAC. Check out Blasters3D muzzles for Modulus for a huge selection. Blasters3D muzzle devices are inspired by past theater of wars, modern combat campaigns, and future science