NBS .223/5.56/300 BLK Complete Bolt Carrier Group - Nickel Boron - w/ Logo

Name: NBS .223/5.56/300 BLK Complete Bolt Carrier Group - Nickel Boron - w/ Logo
Brand: Dirty Bird Industries
SKU: retailer_offer:dirtybirdusa.com:999994487

Lowest Listed Price

$125.95

MSRP

$125.95

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Updated

Aug 26, 2026

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Specifications

Brand

Dirty Bird Industries

Description

NBS Nickel Boron Bolt Carrier Group for .223/5.56/300BLKCarrierM16 style (Auto)Machined from 8620 tool steelHeat treated to mil specBoltMachined from 9310 tool steelHeat treated to military specificationsShot PeenedMPI (Mag Particle Inspected)Gas KeyMachined from 17-4 Stainless SteelHeat treated to mil specExtractorMachined from S-7 shock resisting tool steelHeat treated to mil specShot peenedExtractor spring is made of stainless steel music wireFiring PinMachined from 17-4 stainless steelHeat treated to milspecSpecificationsWeight: 11.6 ozLength: 7.5a ^2Finish: Nickel Boron (NiB)USA MadeCovered by NBS Limited Lifetime Warranty