adapter with slide tube: Ø120mm - HOLZMANN Maschinen GmbH
Stainless Steel Swagelok Tube Fitting, Female Tube Adapter, 1/8 in. Tube OD x 1/4 in. AN Tube Flare | Tube Adapters | Tube Fittings and Adapters | Fittings | All Products | Swagelok
Source Universal Tube Adapter Zubehör für Trinkschlauch | Army Shop Steinadler
FOR AK-47/74S SB TACTICAL AK-47/74 AK TO AR BRACE ADAPTER W/O TUBE - Brownells Österreich