List of Interchangeable K-80 Barrels

K-80 barrels have the factory choke tube system which retains maximum strength in the barrel wall. Factory chokes are available in steel and Titanium. Also available are 2" barrel extending choke tubes in Mod (1/2), IMP MOD (3/4) and FULL only. These extended choke tubes weigh aproximately 135 gms per pair. In the past 4" extension tubes were also available but these are now discontinued.

Different Ribs available:
Tapered step rib, 8mm rib, tapered flat rib.


  Gauge / Chamber Length Chokes Rib
 
 
Trap        
O/U 12/70 30"/76cm Fixed, IM/F Taper Step 12-8mm
  12/70 30"/76cm Choke Tubes Taper Step 12-8mm
  12/70 32"/81cm Fixed, IM/F Taper Step 12-8mm
  12/70 32"/81cm Choke Tubes Taper Step 12-8mm
  12/70 32"/81cm Choke Tubes Adjustable 12-8mm
Unsgl 12/70 32"/81cm Fixed, Full Taper Step 12-8mm
  12/70 32"/81cm Choke Tubes Taper Step 12-8mm
  12/70 34"/86cm Fixed, Full Taper Step 12-8mm
  12/70 34"/86cm Choke Tubes Taper Step 12-8mm
  12/70 34"/86cm Choke Tubes Adjustable 12-8mm
         
Skeet        
O/U 12/76 28"/71cm Fixed,Sk/Sk 8mm  
  12/76 28"/71cm Choke Tubes 8mm  
  12/76 28"/71cm Choke Tubes Taper Flat 12-8mm
  12/76 Heavy 28"/71cm Fixed,Sk/Sk 8mm**
  12/76 30"/76cm Fixed,Sk/Sk 8mm  
  12/76 30"/76cm Choke Tubes 8mm  
  12/76 30"/76cm Choke Tubes Taper Flat 12-8mm
  12/76 Heavy 30"/76cm Fixed,Sk/Sk 8mm**
  20/76 30"/76cm Choke Tubes Taper Flat 10-6mm
  20/76 32"/81cm Choke Tubes Taper Flat 10-6mm
  20/76 28"/71cm Fixed,Sk/Sk 8mm**
  28/76 28"/71cm Fixed,Sk/Sk 8mm**
  .410/76 28"/71cm Fixed,Sk/Sk 8mm**
 
Barrels marked ** are special order.
 
Sporting      
O/U 12/76 28"/71cm Choke Tubes Taper Flat 12-8mm
  12/76 28"/71cm Choke Tubes 8mm  
  12/76 30"/76cm Choke Tubes Taper Flat 12-8mm
  12/76 30"/76cm Choke Tubes 8mm  
  12/76 30"/76cm Fixed, IM/F Taper Flat 12-8mm
  12/76 32"/81cm Choke Tubes Taper Flat 10-6mm
  12/76 32"/81cm Fixed, IM/F Taper Flat 10-6mm
  12/76 34"/86cm Fixed, M/IM Taper Flat 12-8mm
  20/76 30"/76cm Choke Tubes 10-6mm
  20/76 32"/81cm Choke Tubes 10-6mm

Choke Tubes      
  USA English Krieghoff # Constriction
 
 
  Cylinder Cylinder 00 .000"
  Skeet Imp. Cyl. 0   .005"
  Improved Cylinder 1/4 1   .010"
  Light Modified 3/8 1+ .015"
  Modified 1/2 2   .020"
  Light Imp. Mod. 5/8 2+ .025"
  Improved Modified 3/4 3   .030"
  Full Full 4   .035"
  Super Full X-Full 5   .040"
 
Titanium Choke Tubes      
  Cylinder Cylinder 00 .000"
  Skeet Imp. Cyl. 0   .005"
  Improved Cylinder 1/4 1   .010"
  Light Modified 3/8 1+ .015"
  Modified 1/2 2   .020"
  Light Imp. Mod. 5/8 2+ .025"
  Improved Modified 3/4 3   .030"
  Full Full 4   .035"
  Super Full X-Full 5   .040"
         
Choke Wrenches      
  Ring Wrench      
  Chokey Speed Wrench