DESCRIPTION – ABABCNiB (A*B Pro 5.56 Bolt Carrier)
A*B Arms A*B Pro 5.56 Bolt Carrier is built to Mil-Spec dimensions. The Nickel Boron coating needs virtually no lube during use. The Nickel Boron coated Carrier is coated for extra lubricity and provides superior function during firing.
Our Bolt Carriers are specially made on high-end, Swiss machinery to have exacting tolerances and surface finish. A*B Arms is known by rifle manufacturers for manufacturing one of the finest quality bolt carriers available. This has won us contracts with some of the highest quality AR manufacturers in the business. If you want to buy super high-quality parts offered by the company that actually manufactures them, then you’ve come to the right place.
- 8620 Steel
- Nickel Boron Coated
- Nickel Boron Coated Bore
- M-16 Style with more mass for better functioning in semi or full-auto rifles
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