Description Features Ultra durable aluminum construction Precision CNC machined design Drop-in design requires little to no modifications to install Material: CNC Aluminum, Steel
Quick view Add to Cart ARTS ARTS AIRSOFT Anti-Rotation CNC Aluminum Hop-Up Set for PTW M4 Airsoft AEG Rifles $143.99
Quick view Add to Cart ARTS ARTS AIRSOFT Hobbing CNC Aluminum Gear Set for PTW M4 Airsoft AEG Rifles $273.99
Quick view Add to Cart ARTS ARTS AIRSOFT Pipe Tube Cap Washer Set for PTW M4 Airsoft AEG Rifles $14.99
Quick view Add to Cart SHS Airsoft SHS CNC Machined Aluminum Rotary Hop-Up Unit for M4 Series Airsoft AEG $56.99
Quick view Add to Cart Wolverine Airsoft Wolverine Airsoft Invictus CNC Phoenix Hop-Up Unit for MTW HPA M4 Airsoft Rifles $114.99
Quick view Add to Cart Silverback Airsoft Silverback Airsoft Replacement Hop-Up Nub Set for MDRX Airsoft AEG Rifles $9.99
Quick view Add to Cart Retro Arms Retro Arms CNC Machined Aluminum Rotary Hop-Up Unit for M4 Series Airsoft AEGs $63.99
Quick view Add to Cart Silverback Airsoft Silverback Airsoft Replacement Hop-Up Unit for MDRX Airsoft AEG Rifles $33.99