Rating:
73% of 100

WO After Dark Bolt Carrier Group - Carpenter 158 Bolt

SKU
WO00028
$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
Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account
You may also like
AGE VERIFICATION
Due to increased state legislation around firearms, you MUST be at least 18 years old to access our site. Are you at least 18 years old?”