Upper Assemblies

Find an exquisite selection of US made 6.8 SPC Upper Assemblies. All Moriarti Arms ® upper receiver assemblies are function-tested and ready to fire.

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  • AR-15 6.8 SPCII 16" AP4 Sight Tower Magpul Moe Chrome Moly Upper Assembly
    AR-15 6.8 SPCII 16" AP4 Sight Tower Magpul Moe Chrome Moly Upper Assembly.Barrel - 16" DPMS 6.8 SPC II M4 style chrome lined barrel, 1/2 x 28 Threaded, 1x11 twist, Chrome Moly 4140, Phosphate Finish, Carbine Length Gas System, M4 Feed Ramps.&nbs..
    AR-15 6.8 SPCII 16" AP4 Sight Tower Magpul Moe Chrom...
    $399.95
  • AR-15 6.8 SPCII 16" M4 CMV Upper Assembly
    AR-15 6.8 SPCII 16" M4 CMV Upper Assembly Features:Barrel - 16" M4 CMV barrel, 1/2 x 36 Threaded, 1x10 twist, Chrome Moly 4140, Non - Fluted, Phosphate Finish, Mid Length Gas System, M4 Feed Ramps. Barrel is finished off with A2 Birdcage compensator. A3 fla..
    AR-15 6.8 SPCII 16" M4 CMV Upper Assembly Features:Barrel - 16...
    $249.95$329.95