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WO After Dark Bolt Carrier Group - Carpenter 158 Bolt

SKU
AD00028
$169.00
In stock
- +
Weapon Outfitters After Dark Bolt Carrier Group - Carpenter 158 Bolt

Weapon Outfitters commissioned one of the best names in the business for our BCG. Assembled, laser engraved, and individually HP tested with a SAAMI spec proof round by Sons of Liberty Gun Works -- our WO Bolt Carrier Group is a premium Mil-Spec BCG that leaves no stone unturned when it comes to quality control and performance.

Laser marked with the WOAD logo from our Patreon.

Bolt:
  • Precision machined from Carpenter Technology No. 158 alloy,
  • Heat treated per mil-spec,
  • Shot peened per ASTM B851/SAE AMS2430S,
  • Vibratory tumbled
  • Individual high pressure/proof (HP)
  • Full Auto test fired as an assembly
  • Individual magnetic particle inspection ASTM E1444/E1444M (MP)
  • Markings deep laser engraved (SP=Shot Peened, HP=High Pressure Tested, MP=Magnetic Particle Inspection.)
Extractor:
  • Precision machined from 4340 tool steel alloy per SAE AMS6415T/AMS6484D (vs 4140),
  • Heat treated
  • Shot peen per ASTM B851/SAE AMS2430S.
Extractor Retaining Pin:
  • Precision machined and ground S7 Tool Steel
  • Heat treated per ASTM A681-08
  • Shot peened per mil-spec print
  • Manganese phosphate
Extractor Spring:
  • Tactical Springs/Sprinco 5 coil, ASTM Grade A401 Chrome Silicon wire stock
  • Heat treated
  • Stress relieved, Molybdenum-Disulfide infused
  • Cryogenic processed (all post winding)
  • Mil-spec black insert/synthetic elastomer extractor buffer (nitrile-butadiene, shore hardness 80+/-5 durometer per MIL-PRF-6855)
Ejector:
  • S7 Tool Steel
  • Heat treated per ASTM A681-08
  • Shot peened per Mil-Spec
  • Manganese phosphate
Ejector Spring:
  • Heat treated
  • Mil Spec
Gas Rings:
  • Standard stainless steel per Mil-Spec X3
Carrier:
  • Machined from AISI 8620 aircraft qualty alloy per ASTM A108/A322-13
  • Full auto profile
  • Heat treated
  • Carburized/strain relieved, hard chrome bore
  • Precision ground gas key interface
  • Sons of Liberty Battle Flag logo deep laser engraved
  • Manganese phosphate
Gas Key:
  • Machined from 4130 chromoly steel alloy per ASTM A108/A322-13
  • Heat treated, hard chrome internal
  • Manganese phosphate
  • Permatex sealed
  • Grade 8 hex screws torqued and staked all per mil-spec
Cam Pin:
  • Precision machined 4340 chromoly steel alloy per SAE AMS6415T/AMS6484D
  • Heat treated/processed per mil-spec
  • Manganese phosphate
  • Solid film lubricant applied and cured per mil-spec
Firing Pin:
  • Precision machined 8640 steel alloy
  • Heat treated/processed per mil-spec
  • Hard chrome plate
Firing Pin Retaining Pin:
  • Precision machined from 1038 carbon steel
  • Heat treated/processed per mil-spec
  • Manganese phosphate
More Information
Dangerous GoodsYes
MPNADBCG556
Shipping RestrictionITAR/Export Restricted
Bolt Carrier CutFull Auto (FA)
FinishManganese Phosphate Parkerization
Weapon ModelAR-15/M-16
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