The best Bolt Carrier Groups are reliable and durable, and you get the best of both worlds with the Andro Corp Industries AR 15/M16 Bolt Carrier Group BCG. Andro Corp Industries has been manufacturing this Bolt Carrier Group BCG since its inception and for good reason. It can comfortably handle everything from weekend plinking to fully automatic machine gun fire for thousands of rounds, ensuring you have accurate firing and chambering over and over again. With a black nitride finish, the Andro Corp Industries AR 15 Bolt Carrier Group BCG matches your rifle perfectly and performs at the highest quality. Specifications for Andro Corp Industries AR15/M16 Bolt Carrier Group (BCG) Nitride: Manufacturer: Andro Corp Industries Color: Black Finish: Nitride Fabric/Material: 9310 Alloy, 8620 Alloy Gun Make: AR Platform Gun Model: M16, AR-15 Condition: New Bolt Material: 9310 Steel Carrier Material: 8620 Steel Country of Origin: USA Features of Andro Corp Industries AR15/M16 Bolt Carrier Group BCG Nitride Bolt precision machined from 9310 alloy Carrier machined from 8620 alloy Nitride Coating HP/MPI Bolt Enhanced beveling to reduce friction Viton O-ring Upgraded Extractor Full Auto Rated Package Contents: Andro Corp Industries AR15/M16 Bolt Carrier Group Nitride High Pressure Tested (HPT) Magnetic Particle Inspected (MPI) Carrier machined from 8620 alloy, full auto profile, heat treated, Nitrided Gas Key machined from 4130 chromoly steel alloy, heat treated and Nitrided Bolt precision machined from 9310 alloy; carburized/case hardened, shot peened and Nitrided 4140 Tool steel Extractor alloy, hardened and Nitrided Extractor Pin, AMS6440/52100 Bearing grade steel retaining pin 5 coil, Extractor Spring, ASTM Grade A 228 wire stock, stress relieved, Tensile Strength of 393,000 PSI Max, 80 Durometer Per AMS-R-6855 black insert Extractor Spring O-Ring, Viton (FKM) Fluoropolymer Elastomer S7 shock resistant tool steel alloy Ejector, hardened, shot peened per ASTM B851/SAE AMS2430, manganese phosphate ASTM Grade A 228 wire stock Ejector Spring, heat treated, stress relieved – Tensile Strength of 376,000 PSI Minimum Gas Rings, Steel Corrosion Resistant Per AMS 5906 – X3 Firing Pin, precision machined 8740 steel alloy, heat treated, precision ground & hard chrome plate Firing Pin Retaining Pin, carbon steel ASTM A510, heat treated & manganese phosphate Socket Cap Head Screw, steel, grade 4037 per ASTM, heat treated & manganese phosphate 2x Gas Key is installed with Permatex aviation gasket sealer, torqued to 55-foot pounds, pneumatically steaked Cam Pin, precision machined 4340 chromoly steel alloy, heat treated and Nitrided
4 reviews for Andro Corp Industries AR15/M16 Bolt Carrier Group (BCG) Nitride
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Flexaroo –
I have bought several of these and all came in perfect condition. Good product for the money and the manufacturer is legit. The nitride coating makes for a nice look and the beveled edges make it fit and function well. Throw i on a little TW-25 and you are set.
David –
It may not be one of the big names in AR gear but it does the job and saves money. I matched to an Andro Corp barrel and had no problems.
David –
It may not be one of the big names in AR gear but it does the job and saves money. I matched to an Andro Corp barrel and had no problems.
Alex –
So this BCG is actually discontinued by ACI. I found this out when the BCG would not fit nicely into the upper receiver. It was really tight and scraped the insides. So I contacted ACI via their website email and they got back to me really fast and told me they could replace the BCG with any one of their new models which was awesome. Amazing support from ACI. I received the new ACI BCG in Chrome finish and this thing is a beaut! I’ve put about 200 rounds through it so far with no malfunctions. Highly recommend the company.