SPECS

• Caliber: 9×19mm Parabellum
• Compatible with both milspec AR-15 and dedicated pistol-magazine lower receivers
• Works with standard AR-15 buffers
• barrel lengths: 5.7″
• Weight of entire Upper (BCG alone is just under 11oz) is 2.92 lbs
• Each Bearing Delay Upper Receiver includes:
  • Fully tunable ball bearing bolt carrier group
  • MA Upper Receiver – slick side billet machined aluminum upper receiver
  • HTA Handguard
  • MA Charging Handle – new ambidextrous design
• Also included with the purchase of the Bearing Delay Upper Receiver:
  • 1 additional Lifter for tuning the system (2 total included)
  • 2 EXomags
• This upper carries a MEAN Lifetime Warranty! If you have an issue please contact our support department via email at support@meanarms.com.
• All maintenance for the Bearing Delay upper is free (including parts and labor) – customers only pay for shipping