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    • 18" 6MM ARC AR-15 Upper Assembly | SHAW Barrel | 1x7.5 SS Rifle Length HBAR Barrel | Flash Hider | 15" MLOK Rail
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  • 18" 6MM ARC AR-15 Upper Assembly | SHAW Barrel | 1x7.5 SS Rifle Length HBAR Barrel | Flash Hider | 15" MLOK Rail
  • 18" 6MM ARC AR-15 Upper Assembly | SHAW Barrel | 1x7.5 SS Rifle Length HBAR Barrel | Flash Hider | 15" MLOK Rail
  • 18" 6MM ARC AR-15 Upper Assembly | SHAW Barrel | 1x7.5 SS Rifle Length HBAR Barrel | Flash Hider | 15" MLOK Rail 18" 6MM ARC AR-15 Upper Assembly | SHAW Barrel | 1x7.5 SS Rifle Length HBAR Barrel | Flash Hider | 15" MLOK Rail

    18" 6MM ARC AR-15 Upper Assembly | SHAW Barrel | 1x7.5 SS Rifle Length HBAR Barrel | Flash Hider | 15" MLOK Rail

    AR15 Elite

    MSRP:
    Was:
    Now: $349.99
    (You save )
    (5 reviews) Write a Review

    SKU:
    186MMARCUAHB1X75SSRL15MLR
    • AR-15 Charging Handle | Standard Milspec
    • AR-15 Charging Handle | Tactical Extended Latch | Gen 2
    • AR-15 Charging Handle | Tactical Extended Latch | Gen 4
    • AR-15 Ambidextrous Charging Handle | Ambi Latch
    • 6.5 Grendel Bolt Carrier Group Tool Craft | Laser Engraved |Nitride AR-15 BCG
    • Muzzle Compensator 5/8x24 Threads AR-15 | Black
    • Linear Compensator 5/8 x24 Threads AR-15 | Black
    • Superlative Arms .750” Adjustable Gas Block | Stainless Steel | Solid, Set Screw | Melonite Finish AR-15
    • CMMG ZEROED Adjustable Gas Block .750" | AR-15 LR-308 Steel Black
    • 6mm ARC 25 rd Magazine | ASC | Stainless Steel Black
    • 6mm ARC 10 rd Magazine | ASC | Stainless Steel Black
    • Cerakote | FDE Fat Dark Earth
    • Cerakote | OD Green
    • Cerakote | FDE Fat Dark Earth
    • Cerakote | OD Green

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    Product Description

    18" 6MM ARC AR-15 Upper Assembly | SHAW Barrel | 1x7.5 SS Rifle Length HBAR Barrel | Flash Hider | 15" MLOK Rail

    Shaw Custom Barrels, also known as E.R. Shaw established in 1913, is a renowned manufacturer of rifle barrels and firearm components. Known for their precision and craftsmanship, E.R. Shaw barrels are used by gunsmiths and custom rifle builders for their consistent accuracy and reliability. We trust them and so should you. If haven't heard of them, a quick search will confirm their landmark reputation in the shooting community

    Our AR15 Elite AR-15 uppers are American Made and machined by manufacturers of mil-spec AR-15 components.  All barrels are individually checked for headspace using Manson go and no-go gauges.

    Specifications:

    • Upper Receiver: AR15 Milspec forged aluminum upper receiver with forward assist and dust cover assembly installed. Matte black hard coat anodized Mil 8625 Type 3 Class 2. Forged from 7075 T6 aluminum.  7075 Aluminum is superior in strength to 6061 billet aluminum.
    • Handguard: Premium Ultralight 15" Extended Rifle Length Narrow-Profile AR15 M LOK Handguard. Fit and finish on our line of ergonomical free float rails is outstanding and light weight. M LOK slots run the entire length of our rail at the 3, 6, and 9 o'clock positions. M LOK compatible rail sections and attachments can easily be attached to our handguards which makes adding accessories like sights, bipods, flash lights, grips, lasers, etc. a breeze.  Matte black hard coat anodized Mil 8625 Type 3 Class 2. Milled from 6061 aircraft aluminum.
    • Barrel: Shaw Barrels Match Grade 18 inch 6MM ARC 416R Stainless Steel HBAR profile Barrel with 1x7.5 twist. 5/8x24 muzzle threads. Polished Finish. Standard AR15 Barrel Extension w/ 30 Cal. feed ramp.  Properly headspaced with Manson Go and No-Go Gauges.
    • Gas Block: .750” Low Profile, Nitride Finish.
    • Gas System: Rifle Length Gas Tube.
    • Muzzle Device: A2 Flash Hider with crush washer.
    • Charging Handle: NOT INCLUDED
    • Bolt Carrier Group: NOT INCLUDED

    Upper arrives assembled, ready to use and will fit all standard Milspec dimension AR 15 lower receivers.

    This item is NOT a firearm and will be shipped directly to you, no FFL is required.

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    18" 6MM ARC AR-15 Upper Assembly | SHAW Barrel | 1x7.5 SS Rifle Length HBAR Barrel | Flash Hider | 15" MLOK Rail
    AR15 Elite
    18" 6MM ARC AR-15 Upper Assembly | SHAW Barrel | 1x7.5 SS Rifle Length HBAR Barrel | Flash Hider | 15" MLOK Rail

    5 Reviews Hide Reviews Show Reviews

    • 5
      Complete upper

      Posted by Randy on Feb 19th 2026

      The beast. The upper end of the ar platform., 6mm arc can harvest deer comfortably to 700 yard. I can say this, I did a neck shot at 687 yards.

    • 5
      6mm arc 18 inch

      Posted by Laurel P. on Feb 2nd 2026

      Love the upper and it shoots perfect. Love the way it cycles with the SA gas block which is a must have.

    • 5
      18" upper Shaw

      Posted by Kyle Parker on Dec 28th 2025

      Great looking well packed upper arrived fast. I will say it loves hornady ammo and was easy sub moa at 100 yards. This is my second Shaw barrel for a reason.

    • 5
      18" 6 Arc

      Posted by Kenny W. on Dec 5th 2025

      Mounted one of my Leupold 3x9x40's on this upper and it is dead nuts at 100 yards. Literally 1/2 groups that I can cover with a quater. I was using a lead sled to be fair.

    • 5
      Impressive

      Posted by Jake on Nov 18th 2025

      Finally jumped on the 6 ARC bandwagon with this one. Excellent groups out of the Shaw barrel on this upper. I'm impressed.

    ×
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