6.5 Grendel Uppers

Find an exquisite selection of US made 6.5 Grendel Upper Assemblies. Featuring 22" Diamond Fluted 6.5 Grendel Type II Complete Upper Assembly. Left hand 6.5 Grendels available on special order. All Moriarti Arms ® upper receiver assemblies are fully-complete, function-tested, and ready to fire. It's best to use 6.5 Grendel Uppers with your standard 5.56 magazine (don't forget to change ammo, of course).

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  • AR-15 16″ 6.5 Grendel Type II Tactical Upper Assembly
    Moriarti Armament's AR-15/M-16 16″ Parkerized 6.5 Grendel Type II FULLY ASSEMBLED COMPLETE Upper Assembly Package includes:AR15 / M16 Enhanced Upper Receiver 16″ Contour Parkerized 6.5 Grendel (Type II) 4150 Chrome Moly Steel Barrel with 1:8 Twist and Carbine Gas.750 Low Pro..
    Moriarti Armament's AR-15/M-16 16″ Parkerized 6.5 Grendel Type...
    $249.95$449.95
  • AR-15 6.5 Grendel 20" fluted stainless steel competition upper assembly
    AR-15 6.5 Grendel 20" stainless steel competition upper assembly, This drop-in 6.5 Grendel Type 2 upper will attach to virtually any standard AR-15 lower assembly. Available in 416R Stainless Steel threaded barrels or 4150 Steel Black Nitride Finish, with 1 and 8" ..
    AR-15 6.5 Grendel 20" stainless steel competition upper a...
    $399.95$599.95
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  • AR-15 6.5 Grendel 22" Black Diamond Competition Bull Upper Assembly
    AR-15 6.5 Grendel 22" Black Diamond Competition Bull Upper Assembly. You inquired and we listened. For a limited time, black diamond fluted Grendel uppers are put together just for you. This drop-in upper will attach to virtually any standard Mil Spec AR-15 lower assembly. Works best with your ..
    AR-15 6.5 Grendel 22" Black Diamond Competition Bull Upper Assembly...
    $599.95
  • AR-15 6.5 Grendel 22" Nitride Plated Diamond Competition Bull Upper Assembly
    AR-15 6.5 Grendel 22" Nitride Diamond Competition Bull Upper Assembly. This drop-in upper will attach to virtually any standard Mil Spec AR-15 lower assembly. Works best with your standard 5.56 Mags. Available in 416R Stainless Steel nitride coated diamond flute threaded bull barrels,..
    AR-15 6.5 Grendel 22" Nitride Diamond Competition Bull Upper Assemb...
    $549.95$599.95
  • AR-15 6.5 Grendel 22" stainless steel competition bull upper assembly
    AR-15 6.5 Grendel  22" stainless steel competition bull upper assembly. This drop-in upper will attach to virtually any standard AR-15 lower assembly. Available in 416R Stainless Steel threaded fluted bull barrels, with 1 and 8" twist and rifle keymo..
    AR-15 6.5 Grendel  22" stainless steel competit...
    $499.95$599.95
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  • AR-15 6.5 Grendel 22" stainless steel competition upper assembly - Right or Left Hand options available, Type I
    AR-15 6.5 22" Grendel Type I stainless steel competition upper assembly - Right or Left Hand options available. This drop-in upper will attach to virtually any standard AR-15 lower assembly. Available in 416R Stainless Steel threaded barrels, with 1 and 8" twist and rif..
    AR-15 6.5 22" Grendel Type I stainless steel competition upper asse...
    $549.95$599.95