Home > AR-15 > UPPER PARTS > BOLT CARRIER GROUPS > 5.56 / .300 BLKOUT > TOOLCRAFT AR15 M16 5.56 BLACK NITRIDE C158 BCG
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Description Extended Information   Toolcraft AR15 Bolt Carrier Group Features MPI Magnetic Particle Inspected Carpenter 158 Steel Bolt with a 8620 M16 carrier. Because these Bcg's are one of the best in the industry, most top quality manufacturers source their bolt carrier groups from Toolcraft for this very reason. The Black Nitride coating vastly increases the hardness of the steel, prevents corrosion, is highly resistant to wear and heat. Bolt Heads are marked MPI C158 and are 100% made in the USA!! a Phosphate coating, Chrome Lined and made from 8620 steel, Bolt is made from 9310 steel and Phosphate coated, MPI Tested. The Bolt and Bolt Carrier Assembly comes complete with Cam Pin, Firing Pin and Firing Pin Retainer. Made in the USA!! Related Items AR15 BLACK NITRIDED 5.56 M16 MPI CARPENTER 158 BCG NIB EXO COATED 5.56/.300BLKOUT M16 MPI BCG ANDERSON MANUFACTURING NICKEL BORON 5.56 M16 BCG MPI AR15 M16 "BLACK NITRIDE" 556 BCG Our Price: $99.99 Our Price: $179.99 Sale Price: $139.99 Our Price: $129.99 ANDERSON MANUFACTURING 5.56 M16 BCG Our Price: $108.99

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