This is a premium BCG with outstanding specifications, manufactured with quality. The machined gas key is sealed with Permatex No. 3D sealant when properly torqued to the carrier using Grade 8 hardware. NO BULLSHIT LIFETIME WARRANTY!
AR15 M4 Flat Top Stripped Upper Receiver MIL 8625 Type III Class II hard coat anodized Dry Lube Coating Inside "No T-Markings" Laser Engraved M4 Feed Ramps Accepts all standard mil-spec parts Precision CNC machined from US certified 7075-T6 heat treated forgings.