PSA has their NiB BCG on Clearance at $79.99 Free Shipping. This is now $10 cheaper than the Freedom NiB BCG that's on sale.
https://palmettostatearmory.com/psa-ar15-bcg-5-56-nickel-boron.html
https://palmettostatearmory.com/psa-ar15-bcg-5-56-nickel-boron.html