6.5 Grendel Uppers & 80% Kits

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.

Sort By:
Show:
Display: text_list text_grid
  • 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
    text_reviews
  • AR-15 6.5 GRENDEL 12.5" BALLISTIC PREMIUM PISTOL UPPER
    AR-15 6.5 GRENDEL 12.5" BALLISTIC PREMIUM PISTOL UPPEREvery Upper Build is Test Fired Before Shipment To Guarantee Performance. We do not guarantee cycling with all ammunition due to vast differences in the quality of ammunition. We will not warranty cycling with imported, steel cased or reloaded ro..
    AR-15 6.5 GRENDEL 12.5" BALLISTIC PREMIUM PISTOL UPPEREvery Upper B...
    $429.95$499.95
  • AR-15 6.5 GRENDEL 12.5" PREMIUM PISTOL KIT W/ MAGPUL GRIP & SHOCKWAVE
    AR-15 12.5" 6.5 GRENDEL PREMIUM PISTOL KIT W/ MAGPUL GRIP & SHOCKWAVE. THIS KIT INCLUDES EVERYTHING YOU NEED TO COMPLETE YOUR AR-15 PISTOL BUILD EXCEPT 80% LOWER RECEIVER.  Every Upper Build is Test Fired Before Shipment To Guarantee Performance. We do not guarantee cycling with all ammunit..
    AR-15 12.5" 6.5 GRENDEL PREMIUM PISTOL KIT W/ MAGPUL GRIP & SHO...
    $499.95$799.95
  • AR-15 6.5 GRENDEL 12.5" PREMIUM PISTOL UPPER W/ SUPER SLIM KEYMOD RAIL
    AR-15 6.5 GRENDEL 12.5" PREMIUM PISTOL UPPER W/ SUPER SLIM KEYMOD RAILEvery Upper Build is Test Fired Before Shipment To Guarantee Performance. We do not guarantee cycling with all ammunition due to vast differences in the quality of ammunition. We will not warranty cycling with imported, steel case..
    AR-15 6.5 GRENDEL 12.5" PREMIUM PISTOL UPPER W/ SUPER SLIM KEYMOD R...
    $299.95$399.95
    text_reviews
  • AR-15 6.5 Grendel 16" Aero Precision Upper w/ ATLAS S-ONE Handguard
    AR-15 6.5 Grendel 16" Complete Upper Receiver w/ ATLAS S-ONE Handguard This drop-in 6.5 Grendel Type 2 upper will attach to virtually any standard AR-15 lower assembly. Upgrade the performance of your AR-15 build with this 6.5 Grendel Complete Upper Receiver. Designed to be a low recoil/hi..
    AR-15 6.5 Grendel 16" Complete Upper Receiver w/ ATLAS S-ONE Handgu...
    $499.95$524.95
  • AR-15 6.5 Grendel 18" fluted stainless steel upper assembly with 15" slim keymod
    AR-15 6.5 Grendel 18" 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 with 1 and 8" twist and mid length slim keymod fre..
    AR-15 6.5 Grendel 18" stainless steel competition upper assemb...
    $329.95$529.95
  • AR-15 6.5 Grendel 18" nitride upper assembly with slim keymod rail
    AR-15 6.5 Grendel 18" nitride upper assembly with slim keymod rail, This drop-in 6.5 Grendel Type 2 upper will attach to virtually any standard AR-15 lower assembly. Available in 4150 Steel Black Nitride Finish, with 1 and 8" twist and mid length slim keymod free float handguards..
    AR-15 6.5 Grendel 18" nitride upper assembly with slim keymod rail,...
    $259.95$499.95
  • AR-15 6.5 Grendel 18" premium tactical rifle kit with Roger Stock
    AR-15 6.5 Grendel 18" premium tactical rifle kit with Roger Stock contains all components except 80% lower to complete your AR-15 long range build. The kit comes WITHOUT 80% lower receiver. All options and modifications to your kit are available on top of this page. All components are Mil ..
    AR-15 6.5 Grendel 18" premium tactical rifle kit with Roger Stock&n...
    $499.95$699.95
  • 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...
    $349.95$599.95
    text_reviews
  • 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 ba..
    AR-15 6.5 Grendel 22" Nitride Diamond Competition Bull Upper Assemb...
    $549.95$599.95
    text_reviews
  • 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 8.5" twist and rifle key..
    AR-15 6.5 Grendel  22" stainless steel competit...
    $549.95$599.95
    text_reviews
  • AR-15 6.5 Grendel 22" stainless steel competition upper assembly - Side Charger
    AR-15 6.5 22" Grendel Side Charger stainless steel competition upper assembly - side charger. This drop-in upper will attach to virtually any standard AR-15 lower assembly. Available in 416R Stainless Steel threaded barrels, with 1 and 8.5" twist and rifle length keymod..
    AR-15 6.5 22" Grendel Side Charger stainless steel competition uppe...
    $749.95$849.95
  • AR-15 6.5 Grendel 24" competition quad upper assembly
    This is a true 6.5 Grendel Type 2 competition upper assembly. All you need is a 6.5 BCG and some ammo to convert your AR-15 into the most desirable 6.5 Grendel. Works best with standard 5.56 magazines. California and NY compliant. AR-15 6.5 Grendel 24" competition upper assembly includes:Barrel..
    This is a true 6.5 Grendel Type 2 competition upper assembly. All y...
    $349.95$499.95
  • AR-15 6.5 Grendel 24" stainless fluted upper assembly w/BCG and CH
    AR-15 6.5 Grendel 24" stainless fluted upper assembly complete with BCG and CH . California and NY compliant. AR-15 6.5 Grendel 24" stainless steel upper assembly includes:Barrel - 24" stainless fluted 416R heavy barrel. Hardened to 26-32 rc and stress relieved. Chambered in 6.5 Grend..
    AR-15 6.5 Grendel 24" stainless fluted upper assembly complete with...
    $499.95$699.95