.308 Win

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 Flash Can Upper Receiver Mlok Assembly
    AR-10 .308 10.5" pistol Mlok 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 tim..
    AR-10 .308 10.5" pistol Mlok upper assembly is DPMS compatible. We ...
    $499.95$599.95
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  •  AR-10 308 10.5" Pistol Upper Receiver Assembly / Mlok / Shroud / Sights
     AR-10 308 10.5" Pistol Upper Receiver Assembly / Mlok / Shroud / Sights 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 res..
     AR-10 308 10.5" Pistol Upper Receiver Assembly / Mlok / Shrou...
    $499.95$699.95
  •  AR-10 308 7.5" Pistol Flash Can Upper Receiver Assembly / Mlok
     AR-10 308 7.5" Pistol Flash Can Upper Receiver Assembly / Mlok is DPMS compatible. Features:Barrel - 7.5" .308 carbine length barrel, crafted to mil-spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish. This barrel provides time tested prec..
     AR-10 308 7.5" Pistol Flash Can Upper Receiver Assembly / Mlo...
    $499.95$599.95
  • AR-10 .308 12.5" claw pistol upper receiver assembly
    AR-10 .308 12.5" claw pistol freefloat upper receiver assembly features:Barrel - 12.5" .308 mid length barrel, 1x10 twist rate, crafted to mil-spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish. This barrel provides time tested precision and accurac..
    AR-10 .308 12.5" claw pistol freefloat upper receiver assembly ...
    $499.95$599.95
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  • AR-10 .308 12.5" precision pistol mlok upper assembly / Flash Can
    AR-10 .308 12.5" precision pistol mlok 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.&n..
    AR-10 .308 12.5" precision pistol mlok upper assembly features:Barr...
    $499.95$599.95
  • AR-10 .308 12.5" Socom style pistol Mlok upper receiver assembly
    AR-10 .308 12.5" Socom style pistol mlok upper receiver assembly features:Barrel - 12.5" .308 carbine 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 ..
    AR-10 .308 12.5" Socom style pistol mlok upper receiver assembly&nb...
    $499.95$599.95
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  • AR-10 .308 16" Ballistic upper assembly / Triport / 15" Mlok
    AR-10 .308 16" Ballistic upper assembly / Triport / 15" Mlok includes:Barrel - Ballistic Advantage AR-10 .308 16” 1x10 caliber barrel with standard rifle profile, 416R stainless steel. DPMS compatible. Barrel is threaded with 5/8-24 threads and finished off with 15" slim Mlok and our ..
    AR-10 .308 16" Ballistic upper assembly / Triport / 15" Mlok i...
    $399.95$699.95
  • AR-10 .308 16" diamond fluted tactical upper assembly / slanted brake
    AR-10 .308 16" diamond fluted tactical upper assembly w/ slanted YHM brakeBarrel - 16" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress relieved.  Chambered in .308 Winchester. 1-10 rh twist button rifled. Diamond fluted. Barrel thread: 5/8x24. Barrel is finished off wit..
    AR-10 .308 16" diamond fluted tactical upper assembly w/ slanted YH...
    $649.95
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  • 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 18" M5 SS Complete Upper Receiver w/ ATLAS R-ONE Handguard - Black
    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...
    $599.95$699.95
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  • AR-10 .308 18" SPR Mlok Upper Assembly / CH / 15" MLOK
    AR-10 .308 18" SPR mlok upper assembly with 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: .750 Gas B..
    AR-10 .308 18" SPR mlok upper assembly with CHBarrel Length: 18" G...
    $399.95$699.95
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  • AR-10 .308 18" stainless steel keymod diamond fluted midlength upper assembly
    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. 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 hbar contour barrel. Hardened to 2...
    $649.95
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  • AR-10 .308 18" stainless steel straight fluted upper assembly / 18" Mlok
    Barrel - 18" 416 stainless steel straight fluted hbar contour barrel. Hardened to 26-32 rc and stress relieved.  Chambered in .308 winchester. 1-10 rh twist button rifled. Threaded 5/8-24 at the muzzle end and finished with A2 flash hider. A3 flat top upper receiver - made from solid bi..
    Barrel - 18" 416 stainless steel straight fluted hbar contour barre...
    $399.95$599.95
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  • AR-10 .308 20" Ballistic Advantage Stainless Steel Upper Receiver Assembly / Mlok
    AR-10 .308 20" Ballistic Advantage Stainless Steel Upper Receiver Assembly ·         Assembled Upper Receiver ·         Enhanced Slim Mlok Rail ·         20" .308 Stainless Steel Barrel ·  &nbs..
    AR-10 .308 20" Ballistic Advantage Stainless Steel Upper Receiver A...
    $499.95$649.95
  • AR-10 .308 20" Black Wolf Stainless Steel Upper Receiver Assembly
    Moriarti's Exclusive AR-10 .308 20" Black Wolf Stainless Steel Upper Receiver Assembly DPMS Compatible in Black Includes: ·         Assembled Upper Receiver in Black ·         Enhanced Slim Keymod Rail ·   ..
    Moriarti's Exclusive AR-10 .308 20" Black Wolf Stainless Steel...
    $499.95$699.95
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  • AR-10 .308 20" stainless mlok upper assembly w/  CH
    AR-10 .308 20" stainless steel mlok upper assembly is your perfect choice for a lightweight AR-10 build. Comes assembled and features:Barrel - 20" 416 stainless steel SOCOM contour barrel. Hardened to 26-32 rc and stress relieved.  Chambered in .308 winchester. 1-10 rh twist button rifled. Thre..
    AR-10 .308 20" stainless steel mlok upper assembly is your perfect ...
    $499.95$749.95
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  • AR-10 .308 20" Stainless Mlok Upper Assembly w/ Side Charging Upper
    AR-10 .308 20" Stainless Mlok Upper Assembly w/ Side Charging Upper is your perfect choice for a lightweight AR-10 build. DPMS low profile compatible (Moriarti, 80% Arms). Comes assembled and features:Barrel - 20" 416 stainless steel SOCOM contour barrel. Hardened to 26-32 rc and stress relieve..
    AR-10 .308 20" Stainless Mlok Upper Assembly w/ Side Charging Upper...
    $649.95$799.95
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  • AR-10 .308 20" stainless steel black diamond tactical upper assembly
    AR-10 .308 20" stainless steel black diamond tactical upper assembly. Made exclusively for you by Moriarti Armaments. This upper is DPMS compatible. Barrel - 20" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress relieved.  Black cerakote diamond with stainless flutes..
    AR-10 .308 20" stainless steel black diamond tactical upper assembl...
    $649.95$699.95
  • AR-10 .308 20" stainless steel blue diamond tactical upper assembly
    AR-10 .308 20" stainless steel blue diamond tactical upper assembly. Made exclusively for you by Moriarti Armaments. This upper is DPMS compatible. Barrel - 20" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress relieved.  Blue cerakote diamond with stainless flutes. ..
    AR-10 .308 20" stainless steel blue diamond tactical upper assembly...
    $599.95$699.95
  • 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 relived.  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. Fo..
    Barrel - 20" 416 stainless steel bull contour barrel. Hardened to 2...
    $499.95$649.95
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  • AR-10 .308 20" stainless steel diamond fluted bull upper assembly / Mlok
    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...
    $549.95$649.95
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  • AR-10 .308 20" stainless steel diamond fluted tactical upper assembly / hbar / mlok
    AR-10 .308 20" stainless steel hbar diamond fluted tactical upper assembly - made exclusively by Moriarti Armaments. Barrel - 20" 416 stainless steel hbar/heavy contour barrel. Hardened to 26-32 rc and stress relived.  Chambered in .308 WIN. 1-10 rh twist button rifled. .750 diameter under..
    AR-10 .308 20" stainless steel hbar diamond fluted tactical upper a...
    $529.95$649.95
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  • AR-10 .308 20" stainless steel diamond fluted upper assembly / bull / Mlok
    AR-10 .308 20" stainless steel mlok diamond fluted tactical upper assemblyBarrel - 20" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress relived.  Chambered in .308 winchester. 1-10 rh twist button rifled. Diamond fluted. Barrel is finished off with Xtreme muzzle brake. ..
    AR-10 .308 20" stainless steel mlok diamond fluted tactical upper a...
    $599.95$699.95
  • AR-10 .308 20" stainless steel red diamond tactical upper assembly
    AR-10 .308 20" stainless steel red diamond tactical upper assembly. Made exclusively for you by Moriarti Armaments. This upper is DPMS compatible. Barrel - 20" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress relieved.  Red cerakote diamond with stainless flutes. Ch..
    AR-10 .308 20" stainless steel red diamond tactical upper assembly....
    $699.95
  • AR-10 .308 20" stainless steel spiral fluted tactical upper assembly
    AR-10 .308 20" stainless steel spiral fluted tactical upper assembly.  Barrel - 20" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress relived.  Chambered in 308 Win. 1-10 rh twist button rifled. .936 diameter under gas block. Threaded 5/8-24. X-treme muzzle brake ins..
    AR-10 .308 20" stainless steel spiral fluted tactical upper assembl...
    $629.95$699.95
  • AR-10 .308 20" stainless steel straight fluted modular upper assembly / Mlok
    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. 1-10 RH TWIST BUTTON RIFLED. THREADED 5/8-24 WITH X-TREME MUZZLE BRAKE INSTALLED. STRA..
    AR-10 .308 20" stainless steel straight fluted modular upper assemb...
    $499.99$599.95
  • AR-10 .308 20'' SHARK UPPER ASSEMBLY /18 M-LOK / BCG and CH
    AR-10 .308 20'' RIFLE LENGTH UPPER ASSEMBLY W/18 M-LOK / BCG and CHBarrel - 20" 4150CMV Black Nitride coated.  Chambered in .308 winchester. 1-10 rh twist button rifled. Rifle length gas system. Threaded 5/8-24 at the muzzle end and finished off with shark muzzle brake. A3 fla..
    AR-10 .308 20'' RIFLE LENGTH UPPER ASSEMBLY W/18 M-LOK / ...
    $549.95$899.95
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  • AR-10 .308 24" Black Hole Weaponry stainless steel upper assembly /Tanker/Stainless Finish
    AR-10 .308 24" Black Hole Weaponry stainless steel 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 stainless finish. DPM..
    AR-10 .308 24" Black Hole Weaponry stainless steel upper assembly w...
    $749.95
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  • AR-10 .308 24" Nitride Steel Bull Tanker Upper Assembly
    AR-10 .308 24" Nitride Steel Bull Tanker Upper Assembly. This upper is DPMS compatible. Choice of colors available on top of page. Barrel - 24" 416R stainless steel bull barrel, nitride coated. Hardened to 26-32 rc and stress relieved.  Chambered in .308 winchester. 1-10 rh twist button ri..
    AR-10 .308 24" Nitride Steel Bull Tanker Upper Assembly. This upper...
    $699.95
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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
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  • 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 black diamond upper assembly / Mlok
    AR-10 .308 24" stainless steel bull black diamond upper assembly / Mlok. 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. Cham..
    AR-10 .308 24" stainless steel bull black diamond upper assembly / ...
    $699.95$799.95
  • 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 ...
    $649.95
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  • AR-10 .308 24" stainless steel diamond fluted upper assembly / Mlok
    AR-10 .308 24" stainless steel diamond fluted bull tactical upper assembly. This Upper is DPMS compatible. PRE-ORDER. CURRENT ETA: 3-4 MONTHSBarrel - 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. ..
    AR-10 .308 24" stainless steel diamond fluted bull tactical up...
    $749.95$799.95
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  • AR-10 .308 24" stainless steel modular upper assembly / xtreme muzzle brake
    AR-10 .308 24" stainless steel modular upper assembly with xtreme muzzle brake. This upper is DPMS compatible.Barrel - 24" 416R stainless steel bull contour barrel. Hardened to 26-32 rc and stress releived.  Chambered in .308 winchester. 1-10 rh twist button rifled. Barrel is threaded with..
    AR-10 .308 24" stainless steel modular upper assembly with xtr...
    $599.95$699.95
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  • AR-10 .308 24" stainless steel Socom straight fluted upper assembly
    AR-10 .308 24" stainless steel Socom straight fluted upper assembly. This upper is DPMS compatible. Choice of colors available on top of page. Weight: 6lb.Barrel - 24" 416R stainless steel Hbar barrel. Hardened to 26-32 rc and stress relieved.  Chambered in .308 winchester. 1-10 rh twist button..
    AR-10 .308 24" stainless steel Socom straight fluted upper assembly...
    $699.95
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  • AR-10 .308 24" stainless steel spiral fluted tactical upper assembly
    AR-10 .308/7.62x51 24" stainless steel spiral fluted tactical upper assembly.  Barrel - 24" 416 stainless steel 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. Threaded 5/8-24. X-treme muzzle ..
    AR-10 .308/7.62x51 24" stainless steel spiral fluted tactical upper...
    $699.95
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  • AR-10 M5 20" .308 CMV Complete Upper Receiver w/ ATLAS R-ONE Handguard
    AR-10 M5 20" .308 CMV Complete Upper Receiver w/ ATLAS R-ONE Handguard M5 Assembled Upper ReceiverATLAS R-ONE Handguard of choice20" .308 CMV Barrel, Rifle LengthLow Profile Gas Block and Rifle Length Gas TubeProduct comes assembledThis complete upper does not include a BCG or..
    AR-10 M5 20" .308 CMV Complete Upper Receiver w/ ATLAS R-ONE Handgu...
    $599.95$699.95
  • AR-10 M5 20" .308 SS Complete Upper Receiver w/ ATLAS S-ONE Handguard
    AR-10 M5 20" .308 SS Complete Upper Receiver w/ ATLAS S-ONE Handguard M5 Assembled Upper ReceiverATLAS S-ONE Handguard of choice20" .308 SS Barrel, Rifle LengthLow Profile Gas Block and Rifle Length Gas TubeProduct comes assembledThis complete upper does not include a BCG or C..
    AR-10 M5 20" .308 SS Complete Upper Receiver w/ ATLAS S-ONE Handgua...
    $649.95$699.95
  • AR-10 M5 20" .308 SS Complete Upper Receiver w/ ATLAS S-ONE Handguard / FDE
    AR-10 M5 20" .308 SS Complete Upper Receiver w/ ATLAS S-ONE Handguard / FDE Assembled Upper ReceiverEnhanced Handguard20" .308 SS Barrel, Rifle LengthLow Profile Gas Block and Rifle Length Gas TubeProduct comes assembledThis complete upper does not include BCG or Charging..
    AR-10 M5 20" .308 SS Complete Upper Receiver w/ ATLAS S-ONE Handgua...
    $699.95
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  • M5 AR-10 .308 12.5" Aero Precision Style Upper Receiver Assembly
    AR-10 .308 12.5" 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 with Aero Precision M5 Enhanced Combo Set, which i..
    AR-10 .308 12.5" Aero Precision Style Upper Receiver Assembly - per...
    $469.95
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  • M5 AR-10 .308 14.5" Aero Precision Style Upper Receiver Assembly
    AR-10 .308 14.5" 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 with Aero Precision M5 Enhanced Combo Skin Set, wh..
    AR-10 .308 14.5" Aero Precision Style Upper Receiver Assembly - per...
    $499.95
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  • M5E1 Enhanced 16" .308 CMV Complete Upper Receiver - Aero Precision
    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...
    $599.95$639.95