Bolt Carrier:
Heavy Duty full auto design
Material: 8620 steel
Gas Key: hardened billet 4140 machined, heavy wide strike
Gas Key Screws: Mil Spec phosphate heavy strike on gas key
Pattern: DPMS with forward assist serrations
Features: Smaller bolt aperture
Finish: DLC
Bolt Subassembly:
DOUBLE EJECTOR
Bolt: 9310 Alloy Steel, Shot Peened
MPI Inspected1
Extractor: 4140 Heat Treated & Shot Peened
O-Ring: Mil-Spec materials
Milspec Gas rings (3)
Finish: DLC
Cam Pin:
Material: 8620 steel
Finish: DLC
Firing Pin:
Mil-spec firing pin made from centerless ground 8740 steel, hard chrome coated. smaller diameter, enhanced firing pin (0.0625”)
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 assemblies are supplied 100% direct from Toolcraft to WCArmory, direct to you.
3. WCArmory has been selling Toolcraft BCG's since 2009.