These complete bolt carrier groups come magnetic particle inspected and high pressure tested. The carrier is made from 8620 steel and the bolt from no. 158 carpenter steel. The gas key is properly staked, the extractor spring has been upgraded with an O-ring for increased tension, and all surfaces are MIL-SPEC heavy phosphate coated or internally chrome lined. The Spike's Tactical Spider Logo is engraved on the right side of the carrier to show through the ejection port. Assembled BCG weighs 11.6 oz.
INCLUDES:
Firing pin with hard chrome finish
Cam pin phosphate finish
Retaining pin
Bolt carrier:
8620 tool steel
Full Auto/M16 cut
Bolt:
158 carpenter steel
Shot peened
High pressure tested
Magnetic particle inspected
Extractor:
8620 tool steel
Phosphate finish
Extractor spring
Black extractor insert
Viton O-Ring
Gas key:
8620 tool steel
Grade 8 hardware
Properly staked
Chrome interior
SPECIFICATIONS:
Brand: Spikes Tactical
Caliber: 5.56 / .223 / 300 Blk / .350 Legend
Bolt Head Finish: Manganese Phosphate
Bolt Head Material: 158 Carpenter Steel
Carrier Finish: Manganese Phosphate
Carrier Material: 8620 Alloy Steel
Magnetic Particle Inspect (MPI): Yes
Platform: AR-15
Forward Assist Notches: Yes
Chrome Lined Bore: Yes
Chrome Lined Gas Key: Yes
Style: Standard
Color: Black
Full Auto Compatible: Yes
[ITEMPRICE]