BEST Fittings Quick Coupler Socket – Standard 1/8 BSP 02B3-FM01


Best Fittings Quick Coupler Socket.



Availability: In stock SKU: BFS Categories: ,


This is the Best Fittings Quick Coupler Socket.

This handy kit is compatible with all 1/8 BSP fill probes and connectors. Includes coupler plugs bonded seals and pressure test/dust plug. Full instructions are also included. This kit is perfect for those who own more than one PCP Air Rifle.

  • Coupler
  • Plugs
  • Bonded Seals
  • Pressure Test / Dust Plug
  • Full Instructions Included

Incorporates a simple flow restrictor device. As supplied with your new Daystate.

Suits our Quick Coupler Plug, High-Pressure Fill Valve, Daystate, Benjamin, Brocock, Crosman, Logun Eagle, PCR1, Ripley most HPA Paintball & Air Soft Tank side fill nipples & other compatible fill couplers.

1/8″ BSP Male Thread suits most pump and cylinder fill lines.

We are also proud to announce that we are now supplying the BEST Fittings QC02 Quick Coupler Socket as the official fill connector used on all new Daystate Air Guns.

Safe for use on all pre-charged equipment up to and including 300BAR, 4500psi.

Max Working Pressure 300BAR, 4500psi.

Do not exceed maximum working pressure.

Compatible with Foster 12FS, 12FSS and 12MS Straight Thru Quick Snap Couplers.

Can be used with Tawnado Smart Coupling Kits.

Understanding our delivery service as it is important to select the correct one for you.


Products that are NOT rifles/pistols, sent via a courier service.


Pick up by you from our London shop.


We send the rifle/pistol to your local gun shop for you to collect.

AIR GUN DELIVERY from £20.00

This is our own service, delivering air rifles and air pistols to your door
For more information about delivery costs please see our delivery page.

If you have an air rifle or pistol in this order you will need to supply your photo ID for us to process your order ready for delivery. If you have shooting accessories including ammo or archery products you do not need to supply an ID. If you need help with uploading your ID please contact our support team.

If you have selected RFD delivery to a gun store near you, they will charge you a small admin fee that is not under the control of Just Air Guns. We recommend that you contact your local gun store to find out how much this will be before ordering RFD delivery from Just Air Guns.