5KU Competition Rail "XL" Handguard - 320mm - with US Thread [5KU-156]
Other interesting articles:
Unique design, with 4 numbered fixed rails.
CNC machined from aluminum, fits M4 and M16 models
Technical information:
Thread: US (1.250" 18TPI)
Thread (length): 13,4mm
Total height: 56,5mm
Diameter(barrel end): 44,5mm
Diameter (Barrel Groove): 30.3mm
Total length: 320mm
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details1.jpg)
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details2.jpg)
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details3.jpg)
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details4.jpg)
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details5.jpg)
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details6.jpg)
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details7.jpg)
CNC machined from aluminum, fits M4 and M16 models
Technical information:
Thread: US (1.250" 18TPI)
Thread (length): 13,4mm
Total height: 56,5mm
Diameter(barrel end): 44,5mm
Diameter (Barrel Groove): 30.3mm
Total length: 320mm
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details1.jpg)
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details2.jpg)
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details3.jpg)
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details4.jpg)
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details5.jpg)
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details6.jpg)
![](/catalog/images/b-5ku-156-tj-competition-rifle-length-details7.jpg)