The Noveske N4 Phosphate Bolt Completion Kit (brand part no. 05002866) finishes a small frame AR-15 bolt carrier group around a Noveske-marked phosphate carrier. The carrier has a chrome-lined bolt bore and a chrome-lined gas key with a properly staked key, so it is ready to take a bolt. The kit also includes the firing pin, the firing pin retaining pin and the cam pin. Noveske describes it as the perfect pair to a barrel supplied with a headspaced bolt. Browse more AR bolt carrier groups from Noveske Rifleworks.

Key Specifications

• The kit is made for a small frame AR (AR-15).
• The carrier is Noveske marked with a phosphate finish.
• The carrier bolt bore is chrome lined for wear resistance.
• The gas key is chrome lined and properly staked to the carrier.
• The kit includes the firing pin, the part that strikes the primer.
• The kit includes the firing pin retaining pin that holds the firing pin in the carrier.
• The kit includes the cam pin that ties the bolt to the carrier.

Frequently Asked Questions

Is this a complete bolt carrier group? No. It is a completion kit: the carrier with its gas key plus the firing pin, retaining pin and cam pin, intended to pair with a barrel that comes with a headspaced bolt.

What rifles is this made for? Noveske lists it for a small frame AR, meaning the AR-15 platform.

Buy the Noveske N4 Phosphate Bolt Completion Kit

A completion kit is the clean way to finish a bolt carrier group when your barrel already brings the headspaced bolt. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your door.