Spike's Tactical BOLT CARRIER GROUP

Spike's Tactical ST5BG01 M16 Bolt Carrier Group

These Bolt Carriers are Made In The USA (Like every Bolt Carrier we carry) to mil-spec, with the Crane O-ring extractor mod

They have a lifetime guarantee through Spike's Tactical!

Mil Spec Carrier

-8620 Tool Steel
-Full Auto M-16 Profile
-Mil Spec Phosphate Coating

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