Rocket Airsoft 7mm Steel Bearings (Open Cage) 9.6v Batteries Once installed you will experience

Once installed you will experience an upgraded FPS with an increased accuracy potential to snipe your opponents out of the game

Thermal Lens system with Hardcoat Lens treatment

Magazines holds 15 rounds

Works in the HK competition guns (A4

Rocket Airsoft 7mm Steel Bearings (Open Cage) 9.6v Batteries Once installed you will experienceThese are 7mm Solid Steel Bearings by Rocket Airsoft (SHS). 6 per pack. Bearings may be sealed or open ball bearing type and slightly differ based on the picture above. (please note: packaging may be generic or labeled as 'Rocket Airsoft', but is made by SHS OEM) Fits in specific 7mm airsoft gearboxes.