Spikes Tactical M16 Auto Nickel Boron Bolt Carrier Group


Spike's Tactical Nickel Boron M16 Bolt Carrier Group for .223/5/56 and 300BLK

Complete Nickel Boron M-16 BCG Nickel Boron coated Inside and Out (Bolt, Carrier, and Gas Key) then Laser Engraved with ST Spider logo
The Spikes Tactical complete bolt carrier group is magnetic particle inspected and high pressure tested. The bolt carrier is made from 8620 steel and the bolt from carpenter 158 steel. The gas key has been properly staked, the extractor spring has an upgraded O-ring for more tension, and all surfaces on the Spikes Tactical M-16 Full Auto Bolt Carrier Group assembly are Nickel Boron Coated including the cam pin, Gas key, Bolt assembly, and carrier. The Spike's Tactical Spider Logo is engraved on the right side.

Mil Spec Carrier

8620 Tool Steel

Full Auto M-16

Mil Spec Bolt

158 Carpenter Steel
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

Weight: 11.6oz