FailZero M16/M4 Bolt Carrier Group Black Nitride Coated


  • Precise Manufacturing
  • Long Term Reliability
  • Durable Construction


High quality components and precise manufacturing make FailZero parts ideal for maintaining and upgrading firearms.

The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.