WCArmory's offering of the awesome 308 caliber DPMS Compatable BCG, MADE IN USA by an Approved WCArmory Manufacturer in mil-spec phosphate.  DPMS pattern, slickside NO forward assist serrations.

Bolt Subassembly:
Bolt: 9310 Alloy Steel, Shot Peened
Extractor: Shot Peened Hardened D2 tool steel 
O-Ring: Mil-Spec O-Ring
Gas Rings: Milspec 
Finish:  Manganese Phosphate
MPI: No
HPT: No 

Bolt Carrier:
Heavy Duty full auto design, slickside, NO forward assist notches
8620 steel
​Gas Key: hardened billet 4140 machined, phosphated no chrome lining inside bore
Gas Key Screws,: Grade 8 properly staked (heavy strike)
Finish: Manganese Phosphate with chrome lining in bolt bore

Cam Pin:
8620 steel
Manganese Phosphate

Firing Pin:
Mil-spec firing pin made from centerless ground 8740 steel.  Standard .075 firing pin diameter. 

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