Guns Modify AEG / Tokyo Marui MWS GBBR Airsoft Hop Up Tensioner for >=0.20g - 0.30g BB

The Guns Modify TM MWS hop-up tensioner set is designed to work with a wide variety of parameters which gives the shooter better control over how you want your hop-up to be set up.  Each combination is designed to provide ideal shooting consistency for BBs weighted 0.2 - 0.3 grams. 

Compatibility: 

• Tokyo Marui M4 MWS GBBR Series 
• 0.2 - 0.3 Gram BBs 

Includes: 

• x1 Guns Modify AEG / Marui MWS GBBR Hopup Tensioner (9 Parameter in 18pcs, Material 70HA) for 0.20-0.30g BB