Krieghoff Thin Wall Chokes (KTW) in the flush-fit 12-gauge.
For standard threads (formerly known as "SK" threads)

These chokes fit any K-80 "Parcours" version, which already has a thread for interchangeable chokes.


Subsequent fitting of thin wall chokes possible for shotgun barrels with fixed chokes, also for barrels from other brands. Technical requirements will be checked carefully by our master gunsmiths before fitting.

Screw-in Choke markings are as follows:
00 = CYL = Cylinder = 0,00 mm
0 = SK = Skeet = 0,13 mm
1 = IC = Quarter Choke = 0,25 mm (UK Size 1/4)
1+ = LM = Modified quarter Choke = 0,38 mm (UK Size 3/8) 
2 = MOD = Half Choke = 0,51 mm (UK Size 1/2)
2+ = LIM = Modified half Choke = 0,64 mm (UK Size 5/8)
3 = IMOD = Three quarter Choke = 0,76 mm (UK Size 3/4)
4 = F = Full = 0,89 mm (UK Size 7/8)
5 = SF = Super Full = 1,02 mm

You may be interested in the
Krieghoff K80 Speed Wrench for KTW Chokes.

When using screw-in chokes, we recommend using Liqui Moly Schmierfix Grease - Never get your chokes stuck again!