Stratus M16 Bolt Carrier Group, Black Nitride Finish SBCG100
The Stratus Bolt Carrier Group (BCG) is manufactured to MilSpec standards and comes fully assembled with a machined Carpenter 158 shot peened bolt, 8620 carrier, tool steel extractor and cam pin, properly staked grade 8 fasteners, and a black nitride finish. All of which is backed up by a lifetime warranty.
Full Auto Carrier (Backward compatible with all semi-auto rifles) 5.56 BCG Weight – 11.55 oz.
-Bolt: Carpenter 158® Bolt w/ Spring and Ejector. Tool Steel Extractor w/ Spring and Viton O-ring. Magnetic Particle Inspected.
-Carrier: Mil-Spec BCG Machined from 8620 Aircraft Quality Steel and heat treated to 60-61 RC. Mil-Spec Chrome Lined Carrier Interior
-Carrier Key: Mil- Spec Chrome Lined Gas Key. Staked with Grade 8 Screws.
-Firing Pin: Mil-Spec Firing Pin w/ Chrome Finish
The Black Nitride treated parts include:
-Firing Pin Retaining Pin