JE Machine Tech AR 15 Bolt Carrier Group

JE Machine Tech AR 15 Bolt Carrier Group

With the JE Machine Tech AR 15 Bolt Carrier Group Shoot a huge range of calibers with this bolt carrier group (bcg) compatible with Rear Charging 5.56, 223, 300 Blackout, and 350 Legend AR-15 uppers or rifles! JE Machine Tech’s 5.56/223/300 Blackout/350 Legend bolt carrier groups (BCGs) are Magnetic Particle Inspected (MPI) to ensure high performance.  JE Machine Tech 5.56/223 BCG is made with durable 9310 Steel and the gas key is also staked from the side for enhanced durability. Use a JE Machine Tech BCG for your next AR-15 build and experience high performance at a lower cost!

• Caliber / Gauge: .223/5.56 NATO/.300 Blackout/.350 Legend
• Carrier Style: Standard
• Platform: AR-15
• Bolt Finish: Parkerized
• Bolt Material: 9310 Steel
• Carrier Finish: Black Nitride
• Gas Key: Staked from the side to increase longevity
• Magnetic Particle Inspection: Yes