The Noveske N4 DLC Bolt Carrier Completion Kit (brand part no. 05002929) gives an N4 AR-15 a hard-coated carrier to pair with a bolt that is already headspaced to your barrel. The exterior is DLC coated to Noveske’s specification, the carrier is machined to USGI specifications from domestically sourced proprietary 8620 steel, and the bore is chrome lined. It is an M16/M4-pattern carrier with a mil-spec, chrome-lined, heat-treated gas key staked in place with Grade 8 fasteners. The kit includes the cam pin, firing pin and firing pin retaining pin. Browse more AR bolt carrier groups from Noveske Rifleworks.

Key Specifications

• The exterior carries a DLC coating applied to Noveske’s specification, which is very hard and easy to clean.
• The carrier is machined to USGI specifications for compatibility with standard parts.
• The carrier steel is aircraft-grade 8620, domestically sourced and proprietary to Noveske.
• The carrier bore is chrome lined to resist wear.
• The gas key is chrome lined and heat treated and staked per mil-spec with Grade 8 fasteners.
• The kit includes the cam pin and firing pin needed to complete the group.
• The kit also includes the firing pin retaining pin.

Frequently Asked Questions

Does it include a bolt? No. Noveske designed this kit to pair with its barrels that come with a headspaced bolt; the kit supplies the carrier, cam pin, firing pin and retaining pin.

Does the DLC coating need lubrication? Yes. Noveske says DLC should be oiled on a regular basis to get its full benefit.

Buy the Noveske N4 DLC Bolt Carrier Completion Kit

A DLC carrier makes the most sense for a build where the bolt is already matched to the barrel. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your door.