Fail Zero FailZero EXO 450 Bushmaster AR-15 Bolt Carrier Group - Nickel Boron

Q: Is $159.99 a good price for Fail Zero FailZero EXO 450 Bushmaster AR-15 Bolt Carrier Group - Nickel Boron?

Good 4 Guns lists a matched offer at $138.99, $21.00 (13%) less than this listing's $159.99. The average price is $159.99. The lowest we've tracked is $159.99. Tracked for 9 days. Last checked: 2026-10-28. Recorded 2 price changes.

Q: What is the lowest price for Fail Zero FailZero EXO 450 Bushmaster AR-15 Bolt Carrier Group - Nickel Boron?

The lowest price we've tracked for Fail Zero FailZero EXO 450 Bushmaster AR-15 Bolt Carrier Group - Nickel Boron is $159.99. The highest was $189.99. The current price of $159.99 is at the average price of $159.99.