K-SPEC Enhanced AR15 Bolt- 450 Bushmaster/ 458 Socom, Dual Ejector, C158, Nitride
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K-SPEC Enhanced AR15 Bolt- 450 Bushmaster/ 458 Socom, Dual Ejector, C158, Nitride

SKU:
MO-303-3303-009
$114.95 $79.95
(1 review)
Current Stock:
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Description

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The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts.  Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt.  The dual ejector system increases the ejection reliability and adds consistency to the ejection pattern. KAK Industry has been manufacturing dual ejector bolts for the AR10/LR308 platform for over a decade and has used that experience to create a durable and reliable dual ejector system for the AR15 platform.

The K-SPEC Bolt is backwards compatible with all standard mil-spec BCG components.  The K-SPEC bolt can be used in any AR15 style direct impingement system.

Complete Assembled Bolt Only

  • Bolt- C158 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. 

Additional Information
Caliber:
450/458
Hand Preference:
Right Hand
Finish:
Nitride
Bolt Material:
C158
Type:
K-SPEC ENHANCED

Reviews

  • 5
    450 bushmaster Enhanced Bolt

    Posted by HomeTown Defense LLc on April 20, 2024

    A client brought me his 450 Bushmaster because it wouldn't load and kept jamming. After checking it over I had found that all of the parts installed on this rifle were exactly what was expected for a cheap purchase. I replaced the junk BCG with the KAK bolt and fixed these problems. I did try a new bolt from another manufacturer with no prevail. I'm a dealer/manufacturer and I have started using KAK for some of the important parts, and have ended many problems! Great job Great parts!!!