«

»

Apr 13

AIM Surplus AR-15 Bolt Carrier Groups

AIM Surplus AR-15 Bolt Carrier Groups

A glamour shot of three AR-15 Bolt Carrier Groups from AIM Surplus. We have a few projects and upgrades coming up, so these BCGs will soon have homes. Stay tuned for updates!

The AR-15 shown in the above image is a Windham Weaponry SRC, equipped with an Aimpoint Micro T-2 red dot sight.

Bolt Carrier Groups Shown Include (from top):

AIM AR/M16 .223/5.56 NiB 9310 MPI Bolt Carrier Group

  • SKU: XAIMBCGNIBBDG
  • Carrier
    • M16 style (Auto)
    • Machined from 8620 tool steel
    • Heat treated to military specifications
  • Bolt
    • Machined from 9310 tool steel
    • Heat treated to military specifications
    • Shot Peened
    • Ground to meet military required tolerances
    • MPI (Mag Particle Inspected)
  • Gas Key
    • Machined from 4140
    • Heat treated to military specifications
  • Extractor
    • Machined from 4140
    • Heat treated to military specifications
    • Shot peened
  • Firing Pin
    • Machined from 8640 tool steel
    • Heat treated to military specifications
    • Ground to meet military required tolerances
    • Coated with .0002”-.0003” of hard chrome per MIL-STD-171 1.2.2.2
  • Cam Pin
    • Machined from 4340
    • Quench and temper heat treat
    • Ground to meet military required tolerances
  • More Info: AIM Surplus

AIM AR/M16 .223/5.56 Nitride 9310 MPI Bolt Carrier Group

  • SKU: XAIMBCGN3BDG
  • Carrier
    • M16 style (Auto)
    • Machined from 8620 tool steel
    • Heat treated to military specifications
  • Bolt
    • Machined from 9310 tool steel
    • Heat treated to military specifications
    • Shot Peened
    • Ground to meet military required tolerances
    • MPI (Mag Particle Inspected)
  • Gas Key
    • Machined from 4140
    • Heat treated to military specifications
  • Extractor
    • Machined from 4140
    • Heat treated to military specifications
    • Shot peened
  • Firing Pin
    • Machined from 8640 tool steel
    • Heat treated to military specifications
    • Ground to meet military required tolerances
    • Coated with .0002”-.0003” of hard chrome per MIL-STD-171 1.2.2.2
  • Cam Pin
    • Machined from 4340
    • Quench and temper heat treat
    • Ground to meet military required tolerances
  • More Info: AIM Surplus

AIM AR/M16 H4 .223/5.56/.300 BLACKOUT 9310 MPI Bolt Carrier Group

  • SKU: XAIMBCGH4
  • Carrier
    • UCT EXO COATED
    • M16 style (Auto)
    • Machined from 8620 tool steel
    • Heat treated to military specifications
  • Bolt
    • BLACKNITRIDE Finish
    • Machined from 9310 tool steel
    • Heat treated to military specifications
    • Shot Peened
    • Ground to meet military required tolerances
    • MPI (Mag Particle Inspected)
  • Gas Key
    • UCT EXO COATED
    • Machined BILLET 4140
    • Heat treated to military specifications
  • Extractor
    • BLACKNITRIDE Finish
    • Machined from 4140
    • Heat treated to military specifications
    • Shot peened
  • Firing Pin
    • Machined from 8640 tool steel
    • Heat treated to military specifications
    • Ground to meet military required tolerances
    • Coated with .0002”-.0003” of hard chrome per MIL-STD-171 1.2.2.2
  • Cam Pin
    • BLACKNITRIDE Finish
    • Machined from 4340
    • Quench and temper heat treat
    • Ground to meet military required tolerances
  • More Info: AIM Surplus