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Toolcraft BCG 5.56 DLC FDE C158 MPI Bolt

Brand: Toolcraft Inc.
Product Code: 5165457996
Availability: In Stock

Due to the light color, small variations in surface appearance and light reflection are more apparent than on dark colors and is the variation is completely normal for this machined, hand assembled BCG.

Bolt Carrier:
Heavy Duty M16 design
8620 steel, plated
Gas key: hardened billet 4140 machined, plated
Gas Key Screws,: Grade 8 properly staked (heavy strike).  Screws on FDE are plated black
Coating: Ion Bond FLAT DARK EARTH (DLC Tribo-41) coating1

Bolt Subassembly:
Bolt: Carpenter No. 158 Alloy Steel, Shot Peened
MPI Inspected3
Extractor: 4140 Heat Treated & Shot Peened 
O-Ring: Mil-Spec 
Gas rings (3): Milspec 
Coating: Ion Bond FLAT DARK EARTH (DLC Tribo-41) coating

Cam Pin:
Material: 8620 steel
Coating:  Ion Bond FLAT DARK EARTH (DLC Tribo-41) coating

Firing Pin:
mil-spec firing pin made from centerless ground 8740 steel
Coating: hard chrome 

1.  All BCG assemblies are supplied 100% complete from Toolcraft to WCArmory-direct to you.
2.  WCArmory has been selling Toolcraft BCG's since 2009.
3.  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 or to verify product does contain MPI mark.

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