AR .308 Barreled Upper Assemblies

Moriarti Arms ® got exactly what you need to build a high quality .308 Upper Assembly at cheap prices. Ranging from .308 pistol builds to long range most sought after 24” AR .308 Diamond  Upper Assembly, Moriarti Armaments will provide the most exquisite look for your AR 10 .308 Rifle.

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  •  AR-10 308 10.5" Pistol Upper Receiver Keymod Assembly
    AR-10 .308 10.5" pistol keymod upper assembly is DPMS compatible. We can build these uppers to your desired specs.Features:Barrel - 10.5" .308 carbine length barrel, crafted to mil-spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish. This barrel provides t..
    AR-10 .308 10.5" pistol keymod upper assembly is DPMS compatible. W...
    $449.95$599.95
  • AR-10 .308 12.5" Aero Precision Style Upper Receiver Assembly
    AR-10 .308 16" Aero Precision Style Upper Receiver Assembly - perfect precision, perfect fit. This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons. These uppers are custom made for you inhouse based on Aero Precision M5 Enhanced Combo Set, which..
    AR-10 .308 16" Aero Precision Style Upper Receiver Assembly - perfe...
    $469.95
  • AR-10 .308 12.5" claw pistol keymod upper receiver assembly
    AR-10 .308 12.5" claw pistol keymod upper receiver assembly features:Barrel - 12.5" .308 mid length barrel, crafted to mil-spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish. This barrel provides time tested precision and accuracy for your .308 pist..
    AR-10 .308 12.5" claw pistol keymod upper receiver assembly fe...
    $449.95$599.95
  • AR-10 .308 12.5" precision pistol keymod upper assembly
    AR-10 .308 12.5" precision pistol keymod upper assembly features:Barrel - 12.5" .308 mid length barrel, crafted to mil-spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish. This barrel provides time tested precision and accuracy for your .308 pistol build...
    AR-10 .308 12.5" precision pistol keymod upper assembly features:Ba...
    $449.95$599.95
  • AR-10 .308 16" Aero Precision Style Upper Receiver Assembly
    AR-10 .308 16" Aero Precision Style Upper Receiver Assembly - perfect precision, perfect fit.Includes: ·         Assembled Upper Receiver ·         Enhanced Handguard ·         16" .308 CMV B..
    AR-10 .308 16" Aero Precision Style Upper Receiver Assembly - perfe...
    $529.95$560.00
  • AR-10 .308 16" stainless steel bull spiral tactical upper assembly
    AR-10 .308 16" stainless steel bull spiral tactical upper assembly. NY and CA compliant.Barrel - 16" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress releived.  Chambered in .308 winchester. 1-10 rh twist button rifled. Target crowned. Spiral fluted. A3 flat top ..
    AR-10 .308 16" stainless steel bull spiral tactical upper assembly....
    $599.95
  • AR-10 .308 16" stainless steel modular straight fluted  upper assembly
    Barrel - 16" 416 stainless steel straight fluted hbar contour barrel. Hardened to 26-32 rc and stress releived.  Chambered in .308 winchester. 1-10 rh twist button rifled. Threaded 5/8-24 at the muzzle end with our stainless steel x-treme muzzle brake. A3 flat top upper receiver - made ..
    Barrel - 16" 416 stainless steel straight fluted hbar contour barre...
    $449.99$549.95
  • AR-10 .308 18" Ballistic Advantage Stainless Steel Upper Receiver Assembly - DPMS Style
    AR-10 .308 18" Stainless Steel Upper Receiver Assembly Includes: ·         Assembled Upper Receiver ·         Enhanced Slim Keymod Rail ·         18" .308 Stainless Steel Barrel ·&nbs..
    AR-10 .308 18" Stainless Steel Upper Receiver Assembly Include...
    $499.99$615.00
  • AR-10 .308 18" Barreled Complete Upper Half W/ Diamondhead 15" VRS-T Handguard, LEFT HAND
    AR-10 .308 18" .308 HBAR Barreled Complete Upper Half W/ Diamondhead 15" VRS-T Handguard, LEFT HAND.  These uppers do not come with BCG and/or Charging Handle. These can be purchased separately. These uppers are custom made for you inhouse based on Stag Arms Upper Receiver in Left Hand, a DPMS ..
    AR-10 .308 18" .308 HBAR Barreled Complete Upper Half W/ Diamondhea...
    $739.95
  • AR-10 .308 18" CMV Aero Precision Style Upper Receiver Assembly
    AR-10 .308 18" Aero Precision Style Upper Receiver Assembly , These builds are made in house based on Aero Precision M5 Enhanced Upper and Rail Combo Sets. Please note, Aero Precision is a high profile DPMS platform. If you require low profile build, the look and feel of the upper is available HERE...
    AR-10 .308 18" Aero Precision Style Upper Receiver Assembly , These...
    $550.00$570.00
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  • AR-10 .308 18" SPR keymod upper assembly with BCG and CH
    AR-10 .308 18" SPR keymod upper assembly with BCG and CHBarrel Length: 18" Gas System: Mid Length Barrel Profile: A2 Barrel Steel: Chrome Moly Barrel Finish: Parkerized Chrome Lining: Yes Muzzle Thread: 5/8-24 Chamber: .308 WIN Twist Rate: 1/10 Barrel Extension: M4 Diameter at Gas Block: ...
    AR-10 .308 18" SPR keymod upper assembly with BCG and CHBarrel Leng...
    $549.99$699.95
  • AR-10 .308 18" stainless steel diamond fluted bull tactical upper assembly
    Barrel - 18" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress releived.  Chambered in .308 winchester. 1-10 rh twist button rifled. Target crowned. Diamond fluted. A3 flat top upper receiver - made from solid billet 6000 series aluminum. Black hardcoat anodized. ..
    Barrel - 18" 416 stainless steel bull contour barrel. Hardened to 2...
    $649.95
  • AR-10 .308 18" stainless steel keymod diamond fluted midlength upper assembly
    Barrel - 18" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress releived.  Chambered in .308 winchester. 1-10 rh twist button rifled. Diamond fluted. Barrel is finished off with Xtreme muzzle brake. A3  flat top upper receiver - made from solid billet 6000 series a..
    Barrel - 18" 416 stainless steel bull contour barrel. Hardened to 2...
    $599.95$649.95
  • AR-10 .308 18" stainless steel keymod upper assembly
    AR-10 .308 18" stainless steel keymod upper assembly is your perfect choice for a lightweight AR-10 build. Comes complete and features:Barrel - 18" 416 stainless steel hbar contour barrel. Hardened to 26-32 rc and stress releived.  Chambered in .308 winchester. 1-10 rh twist button rifled. Thre..
    AR-10 .308 18" stainless steel keymod upper assembly is your perfec...
    $399.95$599.95
  • AR-10 .308 20" Black Hole Weaponry stainless steel in black upper assembly with xtreme muzzle brake
    Barrel - Black Hole Weaponry (BHW) AR-10 .308 20” 1x11 caliber barrel with standard rifle profile, 416R stainless steel Caudle 3 land polygonal rifling in black shot finish. DPMS compatible. Barrel is threaded with 5/8-24 threads and finished off with our xtreme muzzle brake in stainless s..
    Barrel - Black Hole Weaponry (BHW) AR-10 .308 20” 1x11 caliber...
    $699.95
  • AR-10 .308 20" CMV Enhanced Aero Precision Style Upper Assembly
    AR-10 .308 20" CMV Aero Precision Style Upper Receiver Assembly Includes: Assembled Upper ReceiverEnhanced Handguard20" .308 CMV BarrelLow Profile Gas Block and Rifle Length Gas TubeProduct comes assembledThis complete upper does not include BCG or Charging Handle. T..
    AR-10 .308 20" CMV Aero Precision Style Upper Receiver Assembly&nbs...
    $550.00$580.00
  • AR-10 .308 20" stainless steel bull spiral fluted tactical upper assembly
    Barrel - 20" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress releived.  Chambered in .308 winchester. 1-10 rh twist button rifled. Target crowned. Spiral fluted. A3 flat top upper receiver - made from solid billet 6000 series aluminum. Black hardcoat anodized. F..
    Barrel - 20" 416 stainless steel bull contour barrel. Hardened to 2...
    $599.95
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  • AR-10 .308 20" stainless steel diamond fluted bull modular upper assembly
    Barrel - 20" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress releived.  Chambered in .308 winchester. 1-10 rh twist button rifled. Target crowned. Diamond fluted. A3 flat top upper receiver - made from solid billet 6000 series aluminum. Black hardcoat anodized. ..
    Barrel - 20" 416 stainless steel bull contour barrel. Hardened to 2...
    $649.95
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  • AR-10 .308 20" stainless steel keymod diamond fluted tactical upper assembly
    Barrel - 20" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress releived.  Chambered in .308 winchester. 1-10 rh twist button rifled. Diamond fluted. Barrel is finished off with Xtreme muzzle brake. A3  flat top upper receiver - made from solid billet 6000 series a..
    Barrel - 20" 416 stainless steel bull contour barrel. Hardened to 2...
    $649.95
  • AR-10 .308 20" stainless steel straight fluted modular upper assembly
    AR-10 .308 20" stainless steel straight fluted modular upper assemblyBARREL - 20" 416 STAINLESS STEEL HBAR/HEAVY CONTOUR BARREL. HARDENED TO 26-32 RC AND STRESS RELIEVED.  CHAMBERED IN 308 WIN (ACCEPTS BOTH, 7.62X51 AND .308). 1-10 RH TWIST BUTTON RIFLED. THREADED 5/8-24 WITH X-T..
    AR-10 .308 20" stainless steel straight fluted modular upper assemb...
    $449.99$599.95
  • AR-10 .308 24" Black Hole Weaponry stainless steel in black upper assembly with xtreme muzzle brake
    AR-10 .308 24" Black Hole Weaponry stainless steel in black upper assembly with xtreme muzzle brake. This upper is DPMS compatible.Barrel - Black Hole Weaponry 24” AR .308 1x11* caliber barrel with standard rifle profile, 416R stainless steel Caudle 3 land polygonal rifling in black shot finish..
    AR-10 .308 24" Black Hole Weaponry stainless steel in black upper a...
    $749.95
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  • AR-10 .308 24" stainless nitride plated diamond bull upper assembly
    AR-10 .308 24" stainless nitride plated diamond bull upper assembly. This Upper is DPMS compatible.Barrel - 24" 416 stainless steel nitride plated bull contour barrel. Hardened to 26-32 rc and stress releived.  Chambered in .308 WIN. 1-10 rh twist button rifled. .936 diameter under gas block. T..
    AR-10 .308 24" stainless nitride plated diamond bull upper assembly...
    $699.95
  • AR-10 .308 24" stainless steel black diamond tactical upper assembly
    AR-10 .308 24" stainless steel black diamond tactical upper assembly. Made exclusively for you by Moriarti Armaments. This upper is DPMS compatible. Barrel - 24" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress relieved.  Black diamond with stainless flutes. Chamber..
    AR-10 .308 24" stainless steel black diamond tactical upper assembl...
    $799.95
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  • AR-10 .308 24" stainless steel bull modular upper assembly
    AR-10 .308 24" stainless steel bull modular upper assembly. CA and NY Compliant. Barrel - 24" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress releived.  Chambered in .308 winchester. 1-10 rh twist, button rifled. Target crowned. A3 flat top upper receiver - Made..
    AR-10 .308 24" stainless steel bull modular upper assembly. CA and ...
    $599.95$649.95
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  • AR-10 .308 24" stainless steel diamond fluted bull tactical upper assembly
    AR-10 .308 24" stainless steel diamond fluted bull tactical upper assembly. This Upper is DPMS compatible. Barrel - 24" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress relieved.  Chambered in .308 WIN. 1-10 rh twist button rifled. .936 diameter under gas block..
    AR-10 .308 24" stainless steel diamond fluted bull tactical up...
    $699.95
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