AirPower3D MCX MPX DualSide Magazine Coupler B Type - Also Works with Virtus Airgun - For Air Pellet Semi-Automatic Rifle Gun Color:Yellow 76" (19mm) diameter will fit

76" (19mm) diameter will fit (see below for our recommended laser sight)

If you want to use this compensator on the P30 AEP (airsoft electronic pistol) or the P30 ASP (airsoft spring pistol)

and to your health

This buffer tube Picatinny rail allows you to add a Picatinny rail onto the bottom of the buffer tube

Nerf Modulus Recon MKII:

AirPower3D MCX MPX DualSide Magazine Coupler B Type - Also Works with Virtus Airgun - For Air Pellet Semi-Automatic Rifle Gun Color:Yellow 76" (19mm) diameter will fitThis dual magazine coupler allows you to couple two MCX MPX Virtus magazines side to side. It provides quick reload by allowing to remove the magazine, shift flip rotate them, and reinsert the magazine. This magazine coupler works with the magazines for these airguns: Sig Sauer MCX Air Rifle (. 177 Pellet CO2) Sig Sauer MCX Rattler Canebrake Air Rifle (. 177 Pellet CO2) Sig Sauer MCX Virtus Air Rifle (. 22 Pellet PCP) Sig Sauer MPX Air Rifle (. 177