Cross Machine Tool M16 Complete Bolt Carrier Group - Nitride

The Cross Machine Tool Co. complete bolt carrier group is a high quality upgrade for your next build. The carrier is machined from tough 8620 steel with a full mass M16/full auto for optimal reliability and strength. The 9310 steel bolt assembly is magnetic particle inspected. The complete assembly is ready to drop in to your favorite .223 Rem, .223 Wylde, 5.56 NATO, or 300 BLK build!

Features:

• 5.56 NATO / 300 BLK
• M16-cut 8620 Carrier
• 9310 Bolt Assembly
• Magnetic Particle Inspected
• Properly staked gas key
• Salt bath nitride finish
• Made in the U.S.A.

Cross Machine Tool Co., utilizing the latest machining technologies, offers high quality products that you’ll be excited to own. Cross Machine Tool is a veteran owned business that takes pride in manufacturing products you will own. CMT products exceed military standards, so you can build the best AR style rifle possible.