Everything you need to build out a high quality AR15 carbine using whatever lower receiver you want.  Test-fired, and quality checked , these AR15 rifle kits will provide you a lifetime of reliable service.  Built of only quality USA manufactured parts.  Each unit is assembled with care and fully tested to ensure that your build will function the first time.  Compatible with any mil-spec dimension AR15 lower receiver.

  • Upper Receiver
    • 16″ 4150CMV Barrel – 1:7 twist – mid-length gas system – nitride finish
    • 15″ free float MLOK hand guard full length top picatinny rail section
    • Forged 7075-T6 upper receiver
    • Nitride finish BCG with 9310 bolt
    • A2 style flash hider
  • Lower Parts Kit
  • Buffer Tube Kit
    • Mil-spec dimension buffer tube
    • Carbine weight buffer
    • Carbine buffer spring
    • Standard end plate and castle nut
  • M4 Stock with QD mounts
  • Manufactured in the USA using all American made components

Direct Link: https://3crtactical.com/product/ar15-rifle-kit-premium-16-5-56-barrel-15-mlok-rail-m4-stock/