Spike's Tactical Bolt Carrier Group AR15 BCG NEW 5.56x45

Complete Phosphate M-16 BCG

Phosphate Coating Inside and Out (Bolt, Carrier, and Gas Key)

Laser Engraved with ST Spider logo

Mil Spec Carrier

• 8620 Tool Steel
• Full Auto M-16

Mil Spec Bolt

• 158 Carpenter Steel or 9310 Depending on Supply
• Shot Peened
• High Pressure Tested (HPT)
• Magnetic Particle Inspected (MPI)

Mil Spec Extractor

• 8620 Tool Steel
• Phosphate Finish
• Extractor Spring
• Black Extractor Insert
• Viton O-Ring
   

Mil Spec Gas Key

• 8620 Tool Steel
• Grade 8 Hardware
• Properly Staked
• Chrome Interior

Firing Pin with Hard Chrome Finish

Cam Pin Phosphate Finish

Retaining Pin

Weight: 11.6oz

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