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TOOLCRAFT BCG .223/5.56 BOLT CARRIER GROUP BLACK 1B1B6 C-158 MPI COMPLETE

Brand: Toolcraft Inc.
Product Code: T00AUTO-011MG
Availability: In Stock
$99.95
$89.95

WCArmory3 has had lots of requests for these 1B1B6 engraved mil spec / mil contract 1B1B6 carriers specifically.  Toolcraft assembles the 1B1B6 carrier to an MPI inspected Carpenter 158 bolt to make a complete BCG.

Bolt Subassembly:
​Bolt: 158 Carpenter Steel per Government Spec
MPI Inspected1
Extractor: Shot Peened Hardened D2 tool steel 
O-Ring: Mil-Spec 
Gas rings (3): Milspec 
Manganese Phosphate per Government Spec2

Bolt Carrier:
8620 steel
Heavy Duty M16 design
Grade 8 Gas Key Screws, Staked
Gas Key Material - 4140
Chrome lined gas key and carrier interior
Manganese Phosphate per Government Spec2
The carrier DOES have the government contract 1B1B6 engraving

Cam Pin:
8620 steel
Manganese Phosphate per Government Spec2

Firing Pin:
Mil-spec firing pin made from centerless ground 8740 steel, hard chrome coated

Notes:
1.  All Toolcraft bolts are MPI inspected, but not necessarily marked MPI.  WCArmory requests MPI marked bolts but Toolcraft can not guarantee that all MPI inspected bolts will be MPI marked.  Email WCArmory for this disclaimer from the Toolcraft Operations Manager.
2.  All BCG's are ordered direct from Toolcraft with the coating applied by Toolcraft's sub-supplier.  All coatings are purchased and furnished direct from Toolcraft, and their full warantee is obviously valid. 
3.  WCArmory has been selling Toolcraft BCG's since 2009.

 

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