AR15 Bolt- 6.5 Grendel II

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KAK AR15 Bolt- 6.5 Grendel Type II

Compatible with 6 ARC, 22 ARC, and other 6mm AR15 conversions 

Type II bolt face for increased case support

Complete Assembled Bolt Only

  • Type II Bolt Face
  • Bolt- 9310 steel, outside diameters ground to .0002 tolerances, MPI test, nitride finish
  • Extractor- 4140 steel, fully machined, Phosphate coated
  • Extractor pin- S7 tool steel, ground, heat treated
  • Ejector- S7 tool steel, ground, heat treated
  • 1.44 oz

Machined in house and assembled using only the finest steels and components. KAK Industry takes pride in producing some of the finest Mil-Spec/ Enhanced AR15 bolts available, made 100% in house at our MO facility using Doosan machining centers, Tsugami Swiss turning, and the latest in FANUC robotics combined into an automated cell giving us lights out production capability.  In house automated CMM Inspection processes ensure consistent quality. 

6.5 Grendel, 6 ARC, 22 ARC, 6MM
Hand Preference:
Right Hand
Bolt Material:
22 ARC


  • 5
    6.5 Grendel Type II Bolt

    Posted by Mike Ferriola on April 6, 2024

    I just received this Grendel type II bolt. Just like the other components I've purchased from KAK this was of high quality. Very clean machining and no suprise the bolt had no problem passing the gauges. Thank you KAK for continuing to produce these high quality components.