COWCOW A01 Thread Adapter - Gold HPA Tanks Lines & Regs No need to drill or

No need to drill or attach something to the slide catch area with these sight mounts

making it the snappiest slide on the market

Polarstar barb fitting with o-ring

Hi-Capa Hub bands can be placed on the the bottom of your grips or they can be used on  M4 mags to help identify your mags

* Picture for illustrative purposes

COWCOW A01 Thread Adapter - Gold HPA Tanks Lines & Regs No need to drill orCowCows 11mm to 14mm thread adapter allows you to use a wider range of tracers and suppressors. These also accommodate the use of longer inner barrels to give you a FPS boost! Compatible with our outer barrels listed with an internal thread. Use with a 118mm Inner barrel on a 5. 1 for a flush fit.