458 SOCOM Nitride Bolt Carrier Group (BCG)
SKU: BC45SNI
AR15parts.com

458 SOCOM Nitride Bolt Carrier Group (BCG)

$180.00
$165.00
(You save $15.00)

458 SOCOM Nitride Bolt Carrier Group (BCG)

This 458 SOCOM Carrier Group (BCG) is manufactured by Swan Machine specifically for AR15Parts.com.  It is built to Mil-Spec standards that include a 9310 steel bolt assembly that is nitride treated for durability, a nitride treated 8620 steel carrier assembly, and a properly staked gas key (grade 8 fasteners).  This 458 SOCOM BCG will work with all AR15PARTS.COM UPPER ASSEMBLIES CHAMBERED IN 458 SOCOM.


Specifications:

  • 458 SOCOM
  • AR15/M16/M4 Mil-Spec Profile 
  • 8620 Steel Carrier
  • 9310 Steel Bolt
  • MIM Steel Extractor w/ Crane (NAVSPECWAR) o-ring & spring
  • Mil-Spec Staking on the Keys
  • Magnectic Particle Inspected (MIP)
  • Shot Peened
  • Black Nitride finish
  • MADE IN USA
Full Description
Current Stock: 36
Qty
  • Description

    458 SOCOM Nitride Bolt Carrier Group (BCG)

    This 458 SOCOM Carrier Group (BCG) is manufactured by Swan Machine specifically for AR15Parts.com.  It is built to Mil-Spec standards that include a 9310 steel bolt assembly that is nitride treated for durability, a nitride treated 8620 steel carrier assembly, and a properly staked gas key (grade 8 fasteners).  This 458 SOCOM BCG will work with all AR15PARTS.COM UPPER ASSEMBLIES CHAMBERED IN 458 SOCOM.


    Specifications:

    • 458 SOCOM
    • AR15/M16/M4 Mil-Spec Profile 
    • 8620 Steel Carrier
    • 9310 Steel Bolt
    • MIM Steel Extractor w/ Crane (NAVSPECWAR) o-ring & spring
    • Mil-Spec Staking on the Keys
    • Magnectic Particle Inspected (MIP)
    • Shot Peened
    • Black Nitride finish
    • MADE IN USA
  • Reviews

    Reviews

    William Chewning

    nitride bolt carrier group

    Russell

    Fast delivery/Easy

    Great service, and fast delivery. I have a barre and BCG - both work great.
    Mark Dunnam

    458 BCG

    I previously ordered a 458 BCG from another site and it would not cycle any ammunition without a malfunction. I purchased this BCG and it now works flawlessly.
    CC

    458 Socom Upper and BCG

    Fast shipping, well built and no malfunctions so far. Still working up loads for it. Will order from these guys again.
    Bismarck

    Nice BCG

    Well made and great delivery. Have not cycled it yet. Well made and great delivery. Have not cycled it yet.
    Gary Duplissey

    Awesome

    Great Product

    458 BCG

    Tromix is the best choice for my build and fit extremely well with barrel lugs
  • Details

    Details

    Current Stock: 36
    SKU: BC45SNI
    Availability: Usually Ships in 24 Hours
    Old SKU: 458M16BCGT