Description
The Andro Corp. AR-15 bolt carrier group matches precision machining and slick nitride finish to provide a highly reliable drop-in upgrade for your AR-15. The carrier features a full auto profile precision machined from 8620 alloy steel, properly heat treated for extra durability with a properly staked 4130 ChromMoly gas key. The bolt assembly matches a hardened 4140 tool steel extractor to a 9310 steel case hardened and shot peened bolt head. The Carrier, bolt, extractor, and cam pin have all been treated with a slick and easy to clean salt bath nitride finish to reduce friction in the receiver. Each BCG has been high pressure tested and magnetic particle inspected to ensure a long service life without defects.
Features:
- Low-friction Salt Bath Nitride finish
- High pressure tested and magnetic particle inspected
- 8620 alloy steel full auto carrier
- Permatex sealed and properly staked 4130 steel gas key
- 9310 super steel bolt head
- 4140 tool steel extractor with Viton O-ring
- 8740 precision ground steel firing pin with hard chrome finish
By purchasing Andro Corp AR-15/M16 Bolt Carrier Group Black from our online store, you are guaranteed to receive a high-quality item. We work with trusted brands to offer shooting and hunting enthusiasts, both amateur and professional, quality products at a reasonable price. Choosing to buy from us means opting for quality and practicality
