Invector-DS Choke Tubes. The newest and most advanced Browning choke tubes
- Invector-DS choke tubes fit only Browning shotguns with Invector-DS marked on the barrel(s).
- They are much longer than other Browning choke tubes and have threads on the muzzle end of the tube.
- DO NOT buy Invector-DS choke tubes if you have a shotgun marked Invector Plus (+) or Standard Invector.
STANDARD INVECTOR, INVECTOR-PLUS AND INVECTOR-DS ARE NOT INTERCHANGEABLE. Make sure you know the system that fits your shotgun before proceeding. For advice on choosing a choke tube appropriate for your shotgun READ MORE HERE.