Andro Corp Gold AR15 Bolt Carrier Group

Elevate both the performance and aesthetic of your rifle build with the Andro Corp Gold AR15 Bolt Carrier Group. Built to rigorous military standards, this full-auto profile BCG features a striking Grade 1 Polished Gold Titanium Nitride (TiN) finish on the carrier that enhances lubricity, significantly reduces friction, and makes cleaning carbon buildup effortless.

Every carrier group undergoes 100% High Pressure Testing (HPT) and Magnetic Particle Inspection (MPI) to guarantee flawless reliability under harsh conditions. Combined with a precision-machined 9310 alloy Nitrided bolt and a pneumatically staked gas key sealed with Permatex aviation gasket sealer, this gold BCG delivers unmatched duty-grade strength.

• Grade 1 Polished Gold TiN Carrier: Machined from heat-treated 8620 alloy with a full-auto profile and finished in high-slickness Gold Titanium Nitride (TiN) for reduced wear and easy maintenance.
• HPT & MPI Verified: Fully High Pressure Tested and Magnetic Particle Inspected to ensure maximum structural integrity and defect-free operation.
• Hardened Nitride Bolt: Precision-machined 9310 alloy bolt that is carburized, case-hardened, shot-peened, and Nitrided for superior wear resistance.
• Heavy-Duty Extraction: Outfitted with a 4140 tool steel Nitrided extractor, AMS6440/52100 pin, 5-coil spring (393,000 PSI max tensile strength), 80 Durometer insert, and a high-temp Viton (FKM) fluoropolymer O-ring.
• Pneumatically Staked Gas Key: 4130 chromoly gas key sealed with Permatex aviation gasket sealer, torqued to 55 ft-lbs, and pneumatically staked using Grade 4037 socket cap screws.
• Premium Internal Components: Includes an S7 shock-resistant tool steel ejector, hard-chrome plated 8740 steel firing pin, and a Nitrided 4340 chromoly cam pin.